dotFIT Leaders

Meet the Team

Neal Spruce, CEO of dotFIT, LLC, is a fitness specialist, author, licensed teacher, researcher, bodybuilding champion, personal fitness consultant and speaker. 

Neal SpruceSpruce is the founder dotFIT, LLC, the online fitness and nutrition authority that provides innovative fitness solutions for all goals and age groups to fitness facilities and consumers all over the world. Prior to creating dotFIT, Spruce founded Apex Fitness, a research and development company that eventually became part of Fitness Holdings World Wide, the parent company of 24 Hour Fitness USA, Inc. While with Apex, Spruce and his team developed fitness programs used in over 1500 fitness facilities worldwide, currently serving over 500,000 new participants annually. Spruce also created the revolutionary bodybugg® calorie management system, which in 2005 received the “Best of What’s New in Personal Health” award from Popular Science and was featured on NBC’s hit television show, The Biggest Loser.

Spruce holds a health and fitness teaching credential from the State of California. He developed the nutrition curricula for the Apex Fitness Systems and NASM personal trainer certification programs. He regularly contributes chapters to academic publications through CRC Press on advanced sports nutrition. He also co-authored the supplement reference book, An Evaluation of Popular Fitness-Enhancing Supplements, which assesses the effectiveness and safety of various dietary supplements in today’s marketplace.

A nationally recognized nutrition and fitness expert, Spruce delivers more than 100 lectures annually on fitness-related topics. He has been a featured speaker on more than 300 radio and television talk shows and hosted his own television fitness show in San Francisco.


Odd Haugen is President and Chief Operating Officer for dotFIT, LLC, the online fitness and nutrition authority providing innovative fitness solutions to fitness facilities and consumers all over the world. 

Haugen is a business executive with a passion for strength and fitness as well as a competing strongman who mentors up and coming strength athletes.  Prior to the Apex Fitness Group merging with 24 Hour Fitness, Haugen was the Chief Operating Offficer of the Group.

Haugen held various roles within 24 Hour Fitness, including CEO of operating entities in Europe with nearly 140 clubs. He joined 24 Hour Fitness via the merger with Gym Masters, Inc. (GMI) in early 1996.   As a principal shareholder and founder of GMI, Mr. Haugen grew the company from a single club in Richmond, California, to a chain of clubs with gross revenue of $10,000,000 plus per year.  Prior to merging with 24 Hour Fitness, Inc. GMI was honored three years in a row as one of Inc. 500’s fastest growing companies in the nation. Haugen was featured on the June 1993 cover of Club Industry.

A graduate of McDaniel College (formerly Western Maryland College) with a bachelor’s degree in exercise physiology, Haugen also earned an MBA in Finance from the University of California at Berkeley. 

Haugen was crowned the Strongest Man in America at the 1999 A.F.S.A.  U.S.A. Full Strength Championship in Las Vegas, and Hawaii’s Strongest Man in 2000, 2001 and 2002.   As the senior member of most Strongmen competitions, Haugen holds his own and often outpaces competitors half his age.  This sport requires not only superior strength and conditioning but also incredible speed, power, technique, mental alacrity and the ability to concentrate on the task at hand.  These traits have served Haugen well in his professional life.

Jill Fairweather, MS, RD, is a Registered Dietitian with a Masters in Nutritional Science, and is VP of Operations for dotFIT. Jill’s extensive experience in the field

Jill Fairweather, VP of Operationsof nutrition includes a variety of roles in companies such as Apex Fitness Group, Brentwood Weight Loss Center, Hollywood Community Hospital and Johnson & Johnson Health Management.

MEET THE TEAM. Click to view bios.

    Steve Shassberger is a Doctor of Osteopathic Medicine currently in residence at Sparrow Hospital in Lansing, Michigan. Dr. Shassberger served as Director of Research for Apex Fitness for 12 years during which time he worked closely with Apex founder Neal Spruce to develop the bodybugg system. Dr. Shassberger has also consulted for American Specialty Health and the National Academy of Sports Medicine. Most recently he assisted dotFIT in the development of the dotFIT Me nutrition and exercise program.

    Dr. Steve Shassberger
    dotFIT Advisory Board Member

    Kevin Guskiewicz, PhD, ATC was hired by the Department Exercise and Sport Science University of North Carolina in July 1995, and was appointed Department Chair in July 2005. Kevin heads up the sport concussion program at UNC, while also serving as the Research Director for the Center for the Study of Retired Athletes. Kevin's teaching responsibilities include Cadaver Anatomy, Therapeutic Modalities, Human Anatomy, and Research Methods & Statistics in Sports Medicine. Kevin's research is focused on the assessment of sport-related concussion and the long-term effects of concussion. He has been the recipient of over 15 funded research grants on this topic, and has published over 45 journal articles and five textbook chapters related to concussion in sport. He serves as an Associate Editor for the Journal of Athletic Training, and is on the editorial boards of two other journals. Kevin was the recipient of the 1997 Kenneth Knight Outstanding Research Manuscript for the Journal of Athletic Training, the recipient of the 1999 NATA-REF New Investigator Award for Athletic Training Research, and the 2006 Medal for Distinguished Athletic Training Research. He was awarded Fellowship in the American College of Sports Medicine in May 2003, and was inducted as a Fellow in the American Academy of Kinesiology and Physical Education in September 2006. He and his wife Amy have 4 children Jacob, Nathan, Adam, and Tessa.

    Dr. Kevin M. Guskiewicz

    Gay has been in private practice for the past 23 years as a nutritionist for individuals, corporations, professional athletes and sport teams, local and national celebrities, restaurant chains, and medical institutions. Because of her varied background in fitness, hospital and clinic settings, Gay has expertise in several nutrition specialties, including diabetes, obesity, eating disorders, heart disease, autoimmune conditions, environmental nutrition, sports and athletics, and pregnancy. As a licensed and registered dietitian, Gay is able to provide Medical Nutrition Therapy (MNT) for the nutritional management of medical conditions such as gestational diabetes, diabetes, high cholesterol, food allergies, and eating disorders. Gay is a Certified Clinical Nutritionist (CCN), which includes training in complimentary alternative modalities, therapeutic supplementation, diagnostic testing and functional nutrition, and education in therapeutic applications for vitamin and mineral supplementation. She is a member of The International and American Association of Clinical Nutritionists (IAACN).

    Gay is the author of The Pocket Personal Trainer, a pocket-sized book of information on exercise and nutrition, and has published articles in national magazines, and newspapers. In addition, she has appeared on radio and television programs. She is on the advisory board for dotFIT, for the National Academy of Sports Medicine (NASM) and on the board for the International and American Association of Clinical Nutritionists.

    Gay has earned a bachelor's degree in clinical dietetics and a master's degree in nutrition and exercise from Texas Woman's University.
    She is a member of many professional associations, including:
      - American Dietetic Association
      - The International and American Association of Clinical Nutritionists (IAACN)
      - Sports and Cardiovascular Nutritionist
      - National Academy of Sports Medicine
      - American College of Sports Medicine
      - North American Association for the Study of Obesity
      - International Association for the Study of Obesity
      - Institute for Food and Development Policy
      - Texas State Board of Dietitians
      - North Carolina Board of Dietitians and Nutritionists
      - Florida Dietetics and Nutrition Practice Council
      - Ohio Board of Dietetics

    Gay Riley
    MS, RD,

    Eric Plasker, D.C., is a man on a mission. That mission: To help every man and woman in America live to realize "a long life, well-lived." Fit and energetic, Dr. Plasker is a prime example of The 100-Year Lifestyle in action. He brings a wealth of talent, drive, and experience to his work, capitalizing on his roles as:

    Wellness expert
    A graduate of Life Chiropractic College and former owner of two highly successful family practices, Dr. Plasker is the founder of the Council on Family Wellness for the World Chiropractic Alliance. Leader in the health care field In just 5.5 years, he has become one of the leading names in the $8.2 billion per year chiropractic industry. Dr. Plasker is recognized as an innovative wellness expert by more than 60,000 chiropractors in the U.S. alone, who employ over 110,000 people and see an estimated 30 million patients per year. His columns and advertisements reach over 60,000 doctors 24 times per year. With the launch of The 100-Year Lifestyle, he is expanding his message directly to the public and building relationships with the fitness industry, including Gold's Gym (3 million customers), where he was just named as an exclusive member of their Fitness Institute; celebrity trainer, media personality, and Results Thru Research founder Doug Caporrino; along with the American Council on Exercise, to name a few. A master networker and relationship builder, Dr. Plasker vows to become the #1 salesperson for everything good for you, as he stands for people living their ideal 100-Year Lifestyle.

    Health care entrepreneur
    Since 2001, he's sold more than a half-million copies of his health and wellness guides, audiotapes, CDs, DVDs, and related material, which have been distributed in more than 14 countries. Dr. Plasker?s wellness messages and products have reached nearly one million people around the world through his global network of doctors.

    Media personality
    Dr. Plasker is a mediagenic powerhouse. Featured on the Discovery Channel's Forever Young and Connecting With Kids television network, he's shared the stage with such luminaries as Dr. Barbara De Angelis, Dr. Wayne Dyer, Dr. Andrew Weil, and Dr. Deepak Chopra, to name a few.

    Dr. Plasker runs 11 workshops per year, and speaks on numerous other platforms, appearing before 15,000 health care professionals around the world each year. From February 15-June 18 and July 10-December 24, Dr. Plasker is on the road getting his message out about the 100-Year Lifestyle-at least 60 days a year.

    Eric Plasker

    Dr. Padua is the Director of the Sports Medicine Research Laboratory and Associate Professor in the Department of Exercise and Sport Science. He is an adjunct faculty member in the Departments of Orthopaedics, Biomedical Engineering, and Allied Health Sciences. Dr. Padua serves as the Director of the National Academy of Sports Medicine (NASM) Research Institute, whose mission is to provide scientifically valid, evidence-based assessments and interventions for the effective promotion of physical fitness, performance enhancement, injury prevention, injury rehabilitation and post-rehabilitation conditioning. In addition, he is the acting Chair of the Research Committee for the National Athletic Trainers’ Association Research and Education Foundation.

    Dr. Padua received his B.A. degree (Exercise and Nutritional Science, emphasis in Athletic Training) from San Diego State University (1996) and M.A. degree (Exercise and Sports Science emphasis in Athletic Training) from the University of North Carolina at Chapel Hill. He then proceeded to the University of Virginia and obtained his Doctoral Degree (PhD in Sports Medicine, 2001).

    His primary research interests focus on neuromuscular control of knee and lumbo-pelvic stability, identification of risk factors associated with knee injury (focus on ACL injury), identification of evidence based prevention strategies for ACL injury, and validation of performance enhancement training techniques. Current research includes investigating predictive factors for ACL injury, biomechanical comparison of ACL injury prevention interventions, examination of modifiable neuromuscular factors that contribute to knee valgus angle and anterior tibial shear force, validation of clinical movement assessment techniques to predict muscle imbalances and injury risk, and validation of corrective exercises commonly used for injury prevention and performance enhancement.

    Dr. Darin A. Padua

    Dr. Titchenal earned M.S. and Ph.D. degrees in nutrition with minor emphasis in exercise physiology and physiological chemistry at the University of California, Davis. He also is a Certified Nutrition Specialist (CNS). Currently, he teaches and conducts research as an associate professor in the Department of Human Nutrition, Food and Animal Sciences at the University of Hawaii at Manoa. His research focuses on nutrition and human performance. Among his most visible activities, he and his wife, Dr. Joannie Dobbs, have written over 400 newspaper articles on nutrition and health for the Honolulu Star-Bulletin newspaper during the past 10 years. In addition to publishing articles in professional journals, chapters in professional publications, and books, Dr. Titchenal is developing a website on nutrition for sports and fitness professionals that is located at Over 400 of the Star-Bulletin articles are archived at this website. Also, in collaboration with Dr. Dobbs, Dr. Titchenal provides content for the "Got Nutrients?" website at that provides daily health and nutrition tips.

    Dr. Titchenal has personal experience competing in triathlons and bike racing in Hawaii and California and has completed the Honolulu Marathon 20 times. For recreation and fitness, he currently surfs and runs trails as his major activities. He also enjoys good food, beer (especially locally brewed) and wine (in moderation of course) and appreciates fine art (earned a B.A. in Art at the University of Hawaii before going into nutrition).

    C. Alan Titchenal

    Chad has 23 years of experience in the health and fitness industry and holds a Bachelor of Science degree in Nutrition, Dietetics and Food Science from California State University, Northridge, as well as numerous IT certifications. He has personally workedwith thousands of individuals in pursuing their nutrition and fitness goals, including many top sports and entertainment celebrities and athletes. Chad is the Director of IT and Program Support for dotFIT Worldwide.

    Chad Kramer
    Director of IT/Program Support,

    Kat Barefield, MS, RD, holds a bachelor's of science degree in athletic training and a master's of science degree in sports nutrition. She is a registered dietitian and member of the American Dietetic Association. Kat has been a NASM Certified Personal Trainer since 1997 and is also a NASM performance enhancement specialist (PES). She also holds the Health and Fitness Specialist certification from the American College of Sports Medicine, and has over 12 years of experience in the health and fitness industry and has helped numerous individuals reach their health, fitness and weight management goals.

    Kat served as a National Instructor for the Apex Fitness Group for several years creating and delivering exercise, nutrition and weight control workshops, seminars and certification courses. She was part of the development team for the bodybugg calorie management system and is currently the manager of Research and Development for dotFIT, LLC. Kat enjoys writing and developing e-learning tools including consumer articles, nutrition and weight control programs and services, continuing education courses, product demos and interactive tutorials.

    Kat Barefield
    Registered Dietician,

  • Kat Barefield
    Registered Dietician,

  • Chad Kramer
    Director of IT/Program Support

  • C. Alan Titchenal

  • Dr. Darin A. Padua

  • Eric Plasker

  • Gay Riley
    MS, RD,

  • Dr. Kevin M. Guskiewicz

  • Dr. Steve Shassberger DO
    dotFIT Advisory Board Member