Our Team

Lara Field, MS, RD, LDN

Lara Field, MS, RD, LDN

Lara is a nutrition advisor to Tonbridge Health. As a registered dietitian and nutrition expert specializing in practical nutrition solutions for everyday living, Lara is the founder of FEED Nutrition Consulting – a private nutrition practice in Chicago. Lara has over a decade of experience in clinical practice at some of the top-ranked Chicago hospitals.

Philip Airey, CEO and Data Scientist

Philip Airey, CEO and Data Scientist

Philip has spent 25 years as an entrepreneur and advisor. He was founder and CEO of OurHouse, an early-to-market Internet retail business sold to Amazon and spent his early career as a consultant and partner at the Boston Consulting Group. He has been featured in Forbes, Business Week and The Wall Street Journal.

Dr. Lisa Oldson, MD

Dr. Lisa Oldson, MD

Lisa is a clinical advisor to Tonbridge Health. She has been an award-winning member of the faculty at the Feinberg School of Medicine at Northwestern since 1998. After serving as a board-certified Internal Medicine specialist for many years, Lisa obtained additional certification through the American Board of Obesity Medicine.

Sara Chatfield, MPH, RDN, LDN

Sara Chatfield, MPH, RDN, LDN

Sara is a nutrition consultant to Tonbridge Health. She is a registered dietitian nutritionist and has worked as a nutrition professional in both public health and clinical settings across the country, most recently as a Clinical Dietitian at NorthShore University HealthSystem in Evanston, IL.

George Rimnac

George Rimnac

George is a proven technology leader and innovation business partner with a history of delivering strategic business outcomes. George spent over 38 years applying the best information technologies and methodologies available helping to build one of the most successful Fortune 500 brands.

Dr. Eric Terman, MD

Dr. Eric Terman, MD

Eric leads Tonbridge Health’s Clinical Advisory Board. He is a board-certified internal medicine doctor at Northwestern Medicine. While managing a full-time internal medicine practice, Eric is an award-winning teacher at Northwestern University’s Feinberg School of Medicine.

Brian DeVore

Brian DeVore

Brian serves as a senior healthcare advisor to Tonbridge Health. Brian helped lead Intel’s groundbreaking direct contracting efforts in NM, OR, AZ to provide healthcare to its employees. As an advisor, he works with senior executives in the healthcare, venture capital and technology industries.

Stuart Yoss, DC

Stuart Yoss, DC

Stuart is our Physical Activity Advisor. Stuart leads the Bannockburn Chiropractic and Sports Injury Rehabilitation Center. Stuart has earned numerous rehabilitative and sports injury related certifications in the more than 20 years he has been practicing. Stuart is the official team chiropractor for the Chicago Blackhawks, Bears and Bulls.