24Life delivers inspiration, insight and instruction from an impressive league of extraordinary people. Meet your guides to your best life now.

The Experts

Alexandra Joy Smith

Alexandra Joy Smith’s life quest has been to discover how ordinary living transforms into extraordinary when you ͞do the work.͟ Her Intuitive Results Coaching System draws on more than 15 years of experience working in the health, fitness and wellness industry, as well as her BA in Psychology and a life coaching certification. Alexandra made the transition from fitness professional to life coach over five years ago and has participated in thousands of hours of immersive health and wellness, transformational and spiritual studies over the past 30 years.

Amanda Woerner

Amanda Woerner joined DailyBurn as an editor in summer 2014. Prior to DailyBurn, she worked as a health editor at and an assistant editor at Self magazine. Woerner started her career as a Page at NBC Universal, where she worked at The Today Show, Late Night with Jimmy Fallon and various other shows. She attended Northwestern University, where she received a degree from the Medill School of Journalism. She lives in New York City and enjoys running, trying new workout classes and cooking in her tiny kitchen.

Barbara Biziou

A well-traveled, lifelong student of global culture, Barbara Biziou has devoted her career to inspiring, empowering and supporting people through life’s transitions and challenges. She is the author of “The Joy of Ritual” and “The Joy of Family Rituals.”

Beth Taska

Beth is Executive Vice President of Human Potential for 24 Hour Fitness, with 23,000 employees, 450+ locations and 4 million members. Taska has developed, coached and mentored cultures and leaders at companies such as Clearwire, Gap and Sears. Taska speaks and publishes about the inherent power in leadership as a way of being, a power attainable for everyone. She met her husband while serving as Peace Corps volunteers in Ecuador, assisting in small business development. Taska has an MPA with Honors from Roosevelt University and a B.A. in Political Science with Honors from Northern Illinois University.

Brendan Brazier

Brendan is the formulator and co-founder of Vega, bestselling author of the Thrive book series, creator and host of the Thrive Forward web series, and creator of the Thrive Fitness Fitplan app. He’s also a former professional Ironman triathlete and a two-time Canadian 50km Ultra Marathon Champion. Brendan is regarded as one of the world’s leading authorities on plant-based performance nutrition, and therefore works with several NHL, NFL, MLB, UFC, and Olympic athletes. Brendan now invests in and works with socially responsible food & tech companies whose mandate is to fix our food system and reduce the environmental strain of food production.

Brian Grasso

An 18-year veteran of the sports training industry, Brian founded one of the largest youth development educational organizations in the world, served as its CEO for nearly eight years and co-created one of the fastest growing fitness franchises in the United States along with it. He has guest lectured at governmental and private associations around the world, coached more than 20,000 athletes and worked with Olympic Gold Medalists, professionals from varying sports, collegiate standouts and kids. Brian authored “The Audacity of Success,” co-authored the bestseller “Total Body Transformation,” wrote and co-produced the landmark short film “Life by Numbers” and writes regularly for magazines around the globe, including Inked and Bulace. Brian currently serves as CEO for the Mindset Performance Institute. In He's a competitive boxer, former bodyguard for world-class musicians and has worked as a model for magazines and clothing lines such as Men’s Fitness and Headrush.

Bryce Hastings

Bryce Hastings is the Group Fitness Research and Operations Manager for Les Mills International. Literally the brains behind the brawn, he leads groundbreaking research and collaborates with internationally-renown research partners to unearth the latest and most effective fitness techniques. Hastings became a certified Physical Therapist in 1986 and completed his Advanced Diploma in Manipulative Therapy at AUT University Auckland in 1990. He serves as a Research Associate at Auckland University of Technology and has been lecturing part time there for the last eight years. In 1990, Bryce opened his private physical therapy practice at Les Mills World of Fitness in Auckland, the original Les Mills gym established in 1968 by Les Mills Senior.

Carey Rossi

Carey Rossi is a journalist specializing in health, fitness, nutrition and mind-body topics. Her career has run the gamut of working in an immunology lab to launching a women’s fitness magazine, to being the news editor at health website. Her work has appeared in Fitness, Fit Pregnancy, Glamour, Health, Oxygen, Prevention, Self, Shape, plus a dozen more publications and websites. Currently, she blogs at

Cat Perry

Cat Perry is a fitness editor and freelance writer covering breakthroughs in health, diet, fitness, action sports, lifestyle and travel. Her work has appeared in Men's Fitness, MSN, M&F Hers,,,, and Pride Life. Her blog Over & Outside pins the latest, most effective trends in fit, healthy, and adventurous living, and with it, she was also chosen as a 2016 DeLorme Woman of Adventure.

Celia Shatzman

Celia Shatzman covers everything from beauty and grooming to fashion, travel, fitness, psychology, health, career and finance. Her work has appeared in Cosmopolitan, Glamour, Marie Claire, SELF, Teen Vogue, ForbesLife, NYLON, New York, Condé Nast Traveler,, New York Post, USA TODAY, Time Out New York,,, BBC Travel, Latina, Organic Spa Magazine,,, Yoga Journal, and BUST, among others. She graduated from the Medill School of Journalism at Northwestern University and now calls Brooklyn home.

Chris McMahon

Chris McMahon is a GMB Fitness Trainer based out of New York. He holds certifications including National Council on Strength and Fitness CPT, CAFS (Certification in Applied Functional Science), FMS, Animal Flow, Original Strength, ViPR Master Instructor, KettleBell Athletics, Power Plate, Trigger Point Therapy and Precision Nutrition. He has trained marathon runners, college athletes, businesspeople, active seniors, and pregnancy clients. He is a big fan of movement and playing. Yes, working out is very important, but it should be fun. Most days, he can be found climbing, balancing on his hands, or crawling around.

Cynthia Pasquella

Cynthia Pasquella is a celebrity nutritionist, spiritual leader, media personality, best-selling author and the founder and director of the Institute of Transformational Nutrition. Pasquella is famous for inspiring millions of women to discover what they’re really hungry for so they can finally make peace with food and themselves. She is the creator and host of “What You’re Really Hungry For,” a web series that goes beyond food and examines why you know what to do to get healthy but still won’t do it, as well as the true secrets behind having the body, health, and life you’ve always wanted. Cynthia is a nutrition expert for “The Doctors,” “The Dr. Phil Show,” and “The Today Show” and has been featured in popular media outlets such as “Access Hollywood,” “E! News Live,” Harper’s Bazaar, Fitness Magazine, Shape Magazine and Marie Claire.

Dan Edwardes

Dan Edwardes is a co-founder of Parkour Generations, the world’s largest and multi-award-winning organization for parkour or free running. He has studied practical movement and physical fitness his entire life, with an elite background in fighting arts before he found parkour in 2002. Find more information about Parkour Generations at

Dashka Slater

Dashka Slater is an award-winning journalist whose articles have appeared in Newsweek, The New York Times Magazine, Salon, Mother Jones, and many other publications. She is the author of six books for children and adults, and the recipient of a 2004 Creative Writing Fellowship from the National Endowment for the Arts. She has three books forthcoming in 2017, as well as an animated film based on her children’s book, “Dangerously Ever After.”

Dave Kyle

Dave Kyle is the National Training Team Director and an international master trainer for Les Mills U.S. He brings 15 years of fitness experience to Les Mills, following a career in the Royal Air Force. Kyle holds a Level 3 Award in Education and Training from Active IQ and a certification in Internal Quality Insurance from Skills Active in the United Kingdom. As National Training Team Director, he is responsible for the growth of the Les Mills U.S. trainer, assessor, presenter team and the instructor network. He has been recognized by Les Mills International as Trainer Team Manager of the Year and led his team to win Trainer Team of the Year for three consecutive years.

Deborah Lacy

Deborah Lacy loves to dance and swim. Her non-fiction has appeared in national publications. She runs a blog called Mystery Playground and her short mystery fiction has appeared in Mystery Weekly Magazine.

Denise Druce

From the moment she donned leg warmers and stepped barefoot onto green shag carpet to teach her first aerobics class in 1981, Denise Druce has been inspiring people to live healthier, happier lives. Druce has taught a wide variety of fitness classes over the years, from step, to slide ,to indoor cycling, to yoga. Her classes have inspired professional athletes, Hollywood stars, and everyday folks of all ages. She has a Masters Degree in Public Health, holds the designation of Yoga Alliance E-RYT500, and is the director of yoga teacher training at Yoga Assets. She currently trains yoga teachers, teaches yoga and indoor cycling to athletes at the University of Utah, and teaches at 24 Hour Fitness.

Derek Beres

Derek Beres is a multi-faceted author, music producer, and yoga/fitness instructor based in Los Angeles. His next book, "Whole Motion: Training Your Brain and Body for Optimal Fitness," will be published by Carrel/Skyhorse in Spring 2017. He is the creator of Flow Play, an innovative program that fuses yoga, music and neuroscience, designed exclusively for Equinox Fitness. He is on the teacher-training faculty at Yogis Anonymous, Strala Yoga and Buddhi Yoga, where he teaches modules on yoga philosophy and music and neuroscience, and he is also currently working toward his master’s degree in Exercise Science and Human Performance. He has served as the Creative Director of the Tadasana Festival of Yoga & Music. Derek is Schwinn, ACE and AFAA certified.

Diana Kelly

Diana Kelly is a freelance journalist, editor and digital strategist with extensive experience working with national magazines, writing for award-winning websites, and creating content strategy for established brands and start-ups.

Dina Cheney

Dina Cheney is a writer and recipe developer whose cookbooks include “The New Milks,” “Mug Meals,” “Meatless All Day,” “Year-Round Slow Cooker,” “Williams-Sonoma New Flavors for Salads,” and “Tasting Club.” She has contributed articles and recipes to Every Day with Rachel Ray, Parents, Fine Cooking, Clean Eating, Specialty Food, Coastal Living, The Huffington Post, and more. Cheney is a graduate of The Institute of Culinary Education and Columbia University. Find her online at, and her complete collection of non-dairy resources at

Doris Thews

Doris Thews has more than 30 years’ experience in the fitness industry, including 22 years as a Group X Instructor for 24 Hour Fitness in Southern California. She has been recognized twice by 24 Hour Fitness as Group X Master Trainer of the year. Doris started her fitness career as a college athlete and today she consults, represents and leads several fitness brands, including serving as a Program Director for ShockWave and Indo-Row International.

Elle Penner

Elle Penner is a registered dietitian and former lead dietitian at MyFitnessPal, turned full-time writer, recipe creator, photographer, blogger and mama. Her favorite things include her camera, carbs, sweaty workouts and her son.

Erica Tillinghast

Erica Tillinghast is global education manager at Precor. A certified personal trainer, Tillinghast is responsible for developing the education that operators need to help clients get the most out of their workouts on Precor equipment. Her training videos and workouts, located in the Precor Coaching Center, are grounded in exercise science and inspired by popular trends and proven training methods.

Gabrielle Maston

Gabrielle Maston is an accredited sports dietitian and exercise physiologist, blogger, podcaster, and author. She is a nutrition media expert who appears on television and radio with a passion to reach the masses. Her aim is to help athletes make sense of nutrition in the sporting world. She works with clients to fast-track their training goals with simple nutrition tips to bulk up, lean out, run faster, and win podiums.

Gary D. Salyer, Ph.D.

Dr. Gary D. Salyer is a master transformational relationship coach who helps people rewrite the rules for love in their brains. This allows amazing shifts to happen in a very short period so that people can have the extraordinary relationship they deserve. Salyer speaks to a national audience as a featured expert for The Great Love Debate and various celebrity TV and radio shows. His life purpose is to change “a generation’s fate with love.” Salyer is the creator of the Safe to Love Again Workshop and the Extraordinary Couples Retreat. He is the author of the forthcoming book “Safe to Love Again: How to Release the Pain of Past Relationships and Attract Your Soul Mate.” Salyer offers a unique blend of neuro-linguistic programming, Bert Hellinger’s family systems approach and attachment theory, the science of relationships. For more information, visit

Graham Betchart

Graham Betchart is the director of mental training for Lucid Performance Inc. He is also the mental skills coach for many elite athletes, including several collegiate and professional basketball players. He has worked with the No. 1 draft pick in the last three NBA Drafts, the NBA Player’s Association, USA Basketball and many other organizations. Betchart is passionately seeking to unlock the full potential in each individual he works with.

Greg Wieting

Greg Wieting is the founder of The Resilience Project, a Reiki school integrating meditation and yogic philosophy into the curriculum. This Reiki Practitioner Certification Training is an open-level lifestyle enhancement program with an emphasis on self-care practices, trauma sensitivity and mentorship. Wieting draws from over 15 years’ experience sharing a unique and innovative synthesis of the very practices that have helped him heal from trauma, chronic pain, depression and scoliosis. He practices BodyTalk, a comprehensive and personalized healthcare system that addresses the unique causative factors that rest beneath the surface of our health concerns. He also teaches yoga and meditation one-to-one, and offers public classes, workshops and retreats.

Heather Smith

Heather Smith is an AGXM (area group exercise manager) with 24 Hour Fitness, and oversees instructors with the aim to create connection, community and challenge for class participants at 20 locations in the Dallas-Fort Worth area. Heather grew up doing competitive dance, with a focus on ballet, and began teaching fitness classes while she attended Georgia State University. She has developed programming for the mind/body program Group Centergy and was featured in its educational DVDs, which are distributed worldwide. Heather holds various certifications from Les Mills, MOSSA, Yoga Fit, AFAA and NCSF.

James LaValle

James LaValle, is a nationally recognized clinical pharmacist, author, board-certified clinical nutritionist and founder of Metabolic Code Enterprises, Inc., a web platform and practice solution enterprise. In addition, he founded and practices at Progressive Medical Center in Orange County, CA. LaValle has 27 years’ experience integrating natural therapies into various medical and business models, and was named one of the “50 Most Influential Pharmacists” by American Druggist magazine. He is probably best known for his expertise in natural therapeutics application and drug/nutrient depletion issues and uncovering the underlying metabolic issues that keep people from feeling healthy and vital. He is author of 16 e-books and 20 books including, most recently, "Your Blood Never Lies," and the bestselling "Cracking the Metabolic Code." LaValle currently serves as Adjunct Professor in Metabolic Medicine at the University of South Florida Medical School. He is also affiliated with George Washington University as the course director in systems biology and clinical lecturer.

Jamie Wheal

Jamie Wheal is Executive Director of Flow Genome Project and a leading expert on the neurosomatics of ultimate human performance. His work with organizations and individuals ranges from Fortune 500 companies, leading business schools, Young Presidents’ Organization (YPO), to Red Bull and its stable of world-class athletes. He combines a background in expeditionary leadership, wilderness medicine and surf rescue with more than a decade advising high-growth companies on strategy, execution, and leadership. He is a sought-after speaker, presenting to diverse and high-performing communities such as YPO, Summit Series, MaiTai Global, TEDx, and the Advertising Research Foundation. At the Flow Genome Project, Wheal leads a team of the world’s top scientists, athletes, and artists dedicated to reverse-engineering the genome of the peak-performance state known as Flow.

Jenny Chen

Jenny J. Chen is a science and health writer based in D.C. writing for The Atlantic, Washington Post, and more. Her favorite exercise is the plank. Her website is at

Jessica Thiefels

Jessica Thiefels has been writing for more than 10 years and is currently a lifestyle blogger, who writes about the benefits of diet and exercise. She is an ACE certified personal trainer, NASM certified fitness nutrition specialist and owns Honest Body Fitness.

Jill Miller

After studying yoga, movement, and the human body for more than 20 years, Jill Miller created Yoga Tune Up® as a simple way to restore her body and mind, keeping her balanced and free of pain. Using a specific and unique set of poses, movements and self-massage tools, she teaches people to LIVE BETTER IN YOUR BODY WITH YOGA TUNE UP®. Miller is also the author of the best-selling book "The Roll Model."

Jim Kwik

Jim Kwik, founder of Kwik Learning and SuperheroYou, is a world expert in speed-reading, memory improvement, brain performance, and accelerated learning. For two decades, he has served as a leading mental coach and advisor to many of the world’s leading CEOs and celebrities in entertainment, technology, education and business. After a childhood brain injury left him learning challenged, Kwik created strategies to dramatically enhance his mental performance. He has since dedicated his life to helping others unleash their true genius and brainpower to learn anything faster and live a life of greater power, productivity and purpose. Follow Kwik

Joan Rosenberg

Joan I. Rosenberg, Ph.D., is an acclaimed global speaker, trainer, consultant and master clinician. A cutting-edge psychologist who is known as an innovative thinker, trainer and speaker she has been recognized for her influence and is a member of the Association of Transformational Leaders. A California-licensed psychologist, Dr. Rosenberg speaks on how to build confidence, high self-esteem, core emotional strength and resilience; emotional, conversational and relational mastery; neuroscience and psychotherapy; clinical supervision; and suicide prevention. Dr. Rosenberg has been featured in the critically acclaimed documentaries “I Am”, “Pursuing Happiness” and “The Hidden Epidemic” with Dr. Daniel Amen. She’s been seen on CNN’s American Morning, the OWN network and PBS, as well as appearances on radio. She hosts The MindStream Podcast, an influential and thought-provoking iTunes podcast. She is the author of the #1 Amazon best-seller "90 Seconds to a Life You Love" and of the forthcoming book "Ease Your Anxiety: How to Gain Confidence, Emotional Strength and Inner Peace." She has penned several articles for professional and trade journals as well as being a popular blogger and the co-author of Mean Girls, Meaner Women.

Joshua Crosby

Josh Crosby is a former professional ultra-endurance athlete, Ironman World Champion competitor, and World Champion rower. Currently he is a coach, fitness consultant, product tester, and race director/creator who brings an elite-caliber athletic pedigree to his work as a coach and co-creator of rowing-based fitness programs such as ShockWave. Crosby has worked with WaterRower to design the world’s most authentic rowing machine, using water as its resistance mechanism, and his indoor rowing instructional videos have been seen by more than a half million people.

Joy Principe

Joy Principe, a success and well-being coach and a CPA, brings a diverse background to her work. She has been an entrepreneur and CPA business owner for 25 years, and she is also trained as a Certified Rubenfeld Synergist, a Transformative Coach and yoga teacher. She has been leading groups for more than 10 years with her rare blend of analytical and creative qualities that inspire people to their personal greatness in a very practical and playful way. Her group programs and one-on-one sessions are focused on leading businesses and individuals to meaningful and sustainable success and happiness. Simply put, she guides people in creating their ideal lifestyle.

Kathleen Alleaume

Kathleen Alleaume is a trusted health expert and author in the field of nutrition and fitness. She is an exercise physiologist and nutritionist who has run her company, The Right Balance, for more than 10 years. She delivers fresh and cutting-edge health content to millions via her publications and as a spokesperson in print, broadcast, and online media. Highly regarded for her professional, yet easy-to-understand advice, Alleaume’s passion for translating “science-y jargon” into useful, bite-sized info has led to What’s Eating You?, her first book. Follow Alleaume @therightbalance.

Kathryn Hogan

Kathryn Hogan is the author of several books. She is also a Mindfulness and Wellness Coach and a meditation enthusiast. She writes about authenticity, spirit and sex with a fun and sassy twist.

Kristin Condon

Kristin Condon has been dancing through life, sometimes professionally on impressive stages across the country. With certifications in Pilates and yoga, she has also appeared in fitness videos and on TV, and trained many wonderful, accomplished clients in Los Angeles. All that movement led her to become fascinated with its opposite—stillness. Through meditation, Kristin remains extremely active creatively. She now lives in Jersey City with her husband and Aussie cattle dog. She holds an MFA in Performance from USC and has taught movement at University of Michigan.

Kyle Stull

Kyle Stull is the Education Content Manager for Implus Footcare, LLC and Senior TriggerPoint Master Trainer. He holds a Master’s in Rehabilitation, is a Licensed Massage Therapist and has been in the fitness industry for more than 12 years, beginning his career at 24 Hour Fitness. Over the years, Stull has witnessed the benefits of integrated foam rolling into each personal training session.

Laura Putnam

Laura Putnam, author of "Workplace Wellness that Works: 10 Steps to Infuse Well-Being and Vitality into Any Organization", is the CEO and founder of Motion Infusion, a well-being provider that has worked with Fortune 500s, nonprofits, universities and public institutions. A former teacher, dancer, gymnast and now a movement-builder in the world of health and wellness, Laura addresses hundreds of leaders, managers and employees at world-class companies, conferences and events. Recent media appearances include MSNBC, The New York Times, Entrepreneur, Business Insider, Investor’s Business Daily and NPR. She is the recipient of the American Heart Association’s "2020 Impact" award, as well as the National Wellness Institute’s "Circle of Leadership" award.

Lauren Holstein

Lauren Holstein is a Seattle-based writer and a marketing coordinator at Precor. In this role, she contributes and curates articles in Precor’s resource center for fitness professionals and exercisers. Her background in biology and emergency medicine underlies a long-held interest in fitness and healthy living. When not behind a keyboard, she can often be found exploring Washington’s many scenic hiking trails or working up a sweat at the gym.

Lauren Walker

Lauren Walker has been teaching yoga and meditation since 1997. She splits her time between Montana and New England. A writer since childhood, Lauren publishes widely including features in The New York Times, The Jerusalem Post and She has written a periodic yoga column at as well as pieces for Yoga Digest, Yoga Journal and many other yoga publications, and she's been featured in Yoga Journal and Mantra +. You can read about the style of yoga she created, EMYoga, in her book - "Energy Medicine Yoga: Amplify the Healing Power of Your Yoga Practice" (Sounds True, 2014). Her second book, "The Energy Medicine Yoga Prescription" (Sounds True), is coming out in the spring of 2017. Lauren is a wandering spirit and has lived and worked all over the world. She continues to travel and teach workshops and classes in the US, Canada and abroad.

Mandy King

Mandy King, CNP, is a holistic nutritionist and the founder of HEAL. She works with health-conscious women who want to take control of their health to stop feeling tired, fix their digestion and lose the weight once and for all. She helps them create a lasting, lifestyle change that not only helps them look good, but feel good and have the energy to do what matters most.

Mark Smith

Throughout his 30 years in the fitness industry, Mark Smith, CEO of 24 Hour Fitness, has been passionate about personal development, human potential and an active lifestyle. After leaving the auditing world, Mark entered the fitness industry with a role as a club manager with Town Sports International (TSI) in 1988. He eventually became vice president of development for the company and then CEO, all the while helping the brand to grow from five to 38 clubs in seven years, then 38 to 140 clubs in the next 10 years. He was later appointed chairman of the company. Today, Mark serves on the board of Les Mills International, whose group exercise classes are featured in more than 14,000 fitness clubs worldwide. His industry contributions also include serving for four years as a board member of IHRSA. Mark has always enjoyed being active as a runner and a professional squash player, and continues to participate in outdoor sports such as heli-skiing and climbing mountains, and he works out every single day.

Melinda Fulmer

Melinda Fulmer is a veteran writer and editor with more than 15 years of experience writing about health, food, and fitness. Her work has been featured in major media channels such as the Los Angeles Times, MSN, Cosmopolitan Magazine, Los Angeles magazine, Entrepreneur,,, and Details magazine.

Melissa Guest-Smith

Originating from Australia, Guest-Smith has dedicated her career to the fitness industry. She has been a leader and mentor to hundreds of group fitness managers and more than 10,000 instructors. In addition, Guest-Smith has served as a kettlebell master trainer, international conference speaker and fitness/lifestyle television presenter. With a passion for leading teams and inspiring people to achieve their goals, Guest-Smith’s motivation is to help people discover they do matter and they can find their best self through movement and regeneration.

Myles Worthington

Myles Worthington has a deep passion for all things sports and fitness, especially when it comes to endurance sports. When he isn’t in the trenches with his clients or writing a piece on the next fitness/wellness trend, you can find him in his local CrossFit box, triathlon training or participating in some sort of outdoor activity because he loves any opportunity to challenge himself both physically and mentally. He’s a freelance writer specializing in the health, wellness and fitness space where he contributes regular stories to Men’s Fitness, AskMen, Men’s Journal, DailyBurn, Outside Magazine and Runner's World.

Nicole Charlock

A self-proclaimed fitness junkie who has tried it all, from cycle fads to rock climbing, Nicole Charlock has found her true passion with yoga. This Florida native spends her weeks as an area group exercise manager for 24 Hour Fitness, and her weekends in yoga classes or the great outdoors. With an education in Exercise Science, numerous fitness certifications and a zest for life, this little yogini has a mission to spread the gift of fitness to all she meets.

Nik Herold

Nik Herold is responsible for ensuring the quality of coaching and instruction that 24 Hour Fitness personal trainers in Southern California provide. He has served as a fitness and nutrition expert on “The Doctors” and “The Biggest Loser,” and in men’s and women’s publications.

Pete McCall

Pete McCall is a personal trainer and fitness educator in San Diego, California. He holds a master’s degree in exercise science and health promotion from California University of Pennsylvania, and is a Fellow in Applied Functional Science with the Gray Institute in Michigan. In addition, he is a Certified Personal Trainer (CPT) with ACE and NASM; a NSCA-Certified CSCS; and holds the IFS and PES advanced specializations from NASM. McCall’s personal philosophy is that fitness is "having the ability to do what you want to do, when you want to do it."

Petra Kolber

Petra Kolber is an inspirational speaker, movement motivator and happiness expert. She hosts a weekly podcast on iTunes called The Perfection Detox and is the guest host for Daily Burn 365. As a two-time cancer survivor, she is passionate about waking people up to the precious gift of time. Her mission is to inspire people to move more and fear less so that they can stretch their dreams, strengthen their courage muscle and build an inspired life, full of joy and gratitude. For five free videos on happiness, visit

Phil Timmons

Phil Timmons has more than 20 years of experience in the health and fitness industry as a university strength and conditioning coach, personal trainer and group fitness instructor. He has worked and consulted for independent, boutique and large fitness companies, creating and designing world-class programs for one-on-one training, group training and group fitness. He is currently the national director of fitness and innovation for 24 Hour Fitness.


An internationally recognized speaker and inspiring author widely known for his dynamic and provocative style, Bobby Cappuccio draws from an extensive fitness and business background, having held various positions from trainer to sales consultant to development director. In addition to being a co-founder of the educational and development company PT Academy Global, where Cappuccio developed the strategies to assist thousands of trainers, managers and industry leaders across the world to facilitate remarkable change in their businesses, Cappuccio also served as Director of Professional Development for the National Academy of Sports Medicine (NASM). His work regularly appears in prominent fitness industry publications and textbooks.

Rory J. O’Connor

Rory J. O’Connor, a longtime journalist and Washington correspondent for national and trade media, now writes and consults as both an accomplished storyteller and technophile. Based in San Francisco, he’s also a history lover and silent movie and Film Noir fan.

Shawn Corkery

Shawn Corkery’s athletic background includes collegiate basketball. He obtained a B.A. in business and has rounded out his teaching and coaching background with certifications from PTA Global and Institute of Motion. He’s a performance specialist at the Elite Performance Factory.

Shawn Phillips

A pioneer in sports nutrition with the launch of Met-Rx, the meteoric rise of EAS and co-creator of the Body-for-LIFE movement, Shawn Phillips has now embarked on an integrated approach to fitness called “Zen of Strength,” which combines the intensity of martial arts, the mindfulness of yoga with the muscle of strength training. Phillips is a founding member of the Integral Institute, a leader in the human potential movement and a highly sought-after expert in the integration of body, mind and spirit.

Tony Sarno

Tony Sarno, 24Life magazine production editor and contributor, is an Italian-born Australian sports and fitness writer who edits the official magazine of the UK-headquartered Fitness First gym chain. Sarno is passionate about the power of fitness to transform lives and is singularly obsessed with identifying the secret sauce that makes sporting champions. Having worked with some of the world’s top media companies (from News Corp and America Online to Bauer Media) Sarno has won writing and investigative reporting awards, including a Walkley, Australia’s highest honor in journalism. Unusually for an Italian-Aussie, he follows the Oakland Raiders.

Tracey Mallett

Tracey Mallett, the fitness celebrity who first created bootybarre®, has developed a bbarreless class that fuses the movement of dance with the core conditioning precision of Pilates. Originally from the U.K., Mallett now resides in Los Angeles, where she owns a wellness and fitness facility, ATP Training. She is the author of two books and creator of over 25 exercise DVDs. Her passion is creating and delivering fun fusion programs that inspire people to move with precision. Mallett has taught all over the world and has watched bootybarre become a premier barre educational company in the fitness industry.

Trevor Tom

Trevor Tom grew up passionate about sports and fitness, played soccer in college, and got his B.S. in Sports Medicine. He has a teaching and coaching background, with certifications from NSCA, NASM, and Institute of Motion. He currently serves as strength coach for a nationally recognized soccer club.


Ashley Pitt

Ashley Pitt, 24Life editor, is a Bay Area-based writer, personal trainer and group fitness instructor. When she’s not compiling and curating content for 24Life, Ashley manages her own award-winning healthy-living blog, A Lady Goes West, based on her adventures in fitness, food and fun. Ashley also teaches Les Mills-style group fitness classes and barre classes at several 24 Hour Fitness gyms in the San Francisco Bay Area.

Lashaun Dale

Lashaun Dale loves yoga and fitness and finds magic in movement, music and mobs of people. She holds degrees in International Relations, Philosophy and Applied Anthropology, as well as an MPH from the School of Public Health at Columbia University in New York. With two decades of group fitness programming experience, Dale currently serves as vice president of content & programming for 24 Hour Fitness and editor-in-chief of 24Life magazine. A regular contributor to SELF and Women’s Health and Fitness, as well as popular blogs and podcasts, she’ll teach yoga anytime she is given an opportunity to get her om on.

Robin Rootenberg

Robin Rootenberg is managing editor for 24Life and 24Life TV. Nothing makes her happier than the possibility of one more person rediscovering the joy of movement, or trying something new. (Remember what it felt like to just run when you were a kid? Or the surprise of your first kumquat?) A UC Berkeley grad, her writing and communications career spans more than two decades, and she’s been running for even longer.


Cheryl Magat

Cheryl Magat, senior manager of strategic communications and engagement at 24 Hour Fitness, is dedicated to improving work culture and employee engagement, as well as articulating the company’s point of differentiation to employees and customers alike. Her favorite work finds her behind the scenes. Whether it’s behind a camera, backstage at company events, or at the computer screen, Cheryl’s passion is all about bringing company stories to life through video, imagery and narrative. This California native enjoys her free time outdoors and exploring all that the San Francisco Bay Area has to offer.

Chris Middleton

Chris Middleton is a Bay Area-based writer and communications professional for 24 Hour Fitness. He has written and worked for the San Francisco Examiner, East Bay Express, William-Sonoma and Reader’s Digest. Away from work, you can catch him kicking a ball around or shooting hoops — or sound asleep somewhere on the beach.

Nina Newhouse

Based in the Bay Area, but originally from Wisconsin, Nina Newhouse spends her free time working up a sweat in barre class, writing haikus and speaking in her favorite language; sarcasm. Like any good Midwesterner, her relationship with fitness started by hiking through the forest, fishing in a lake and eating cheese by the boat-load.