Medical Leadership Team
Dr. Timothy Church
Medical Director
Tim Church, M.D., M.P.H., Ph.D.
As a distinguished researcher and specialist in public health and general preventive medicine, Timothy ranks among the country's most accomplished medical professionals, earning numerous distinctions as a physician, scientist, professor, patent holder, author and civil servant.
Dr. Mark Sarzynski
Genomics Research
Mark Sarzynski, Ph.D.
Mark leads the genetics research efforts within Genetic Direction by reviewing and analyzing published research associated with the relationship between genomics and preventive health (weight management, healthy aging, etc.).
Dr. Martica Heaner
Solution Protocol Advisor
Martica Heaner, Ph.D., M.A., M.Ed.
Martica is an exercise physiologist and nutritionist, and an award-winning fitness instructor and health writer. Martica has written for a variety of publications including Prevention, Shape, More & Health.
Ms. Linda Mayfield
Pharmacotherapy Advisor
Linda Hodnett Mayfield, R.Ph., B.C.P.S.
Linda is a Registered Pharmacist (RPh) in the states of Texas and New York, and a Board Certified Pharmacotherapy Specialist (BCPS). Linda has a passion for the fitness industry and has studied multiple modalities of exercise, and is a fitness leader for women’s wellness retreats.
Ms. Selene Yeager
Solution Protocol Advisor
Business Leadership Team
George DiGianni
Founder/Chairman
George DiGianni
George is an entrepreneur and thought leader with over 30 years experience in the wellness/fitness industry. He is an author, radio show host and motivational speaker with a passion for educating people on how to be their best selves.
Edwin Mayfield
President & CEO
Edwin Mayfield, Jr.
Edwin has over 30 years of business and technology strategy consulting experience. His passions are wellness and fitness, both as an executive advisor, investor and entrepreneur.
Scott J.Thompson
Scott has more than 30 years of business and technology experience, both as an entrepreneur in the population health management industry and as a technology consultant.