Chief Medical Officer

Christina Valentine

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Chief Commercial Officer

Cody Fair

Dr. Christina J. Valentine is a Physician and Dietitian who advocates for dietary strategies that create proven results in immune health and aims to disrupt morbidity and costs due to malnutrition.
As the Chief Medical Officer for Kate Farms, she leads the scientific and clinical strategy behind our plant-based, organic formulas and shakes. Dr. Valentine’s work ensures they are clinically developed and grounded in research - held to the highest standards to support people with health needs and help them live their best lives.
Her nutrition work spans 30+ years and she is currently a Professor in Pediatrics and Nutrition at the University of Arizona where she clinically practices as a neonatologist. Most recently, her study with omega 3 DHA in pregnancy reduced preterm birth!
Finally, she is passionate about training health care providers on nutrition.

Cody Fair brings a proven track record of success to his role as Noom Health's Chief Commercial Officer. Having previously served as the Senior Vice President of Healthcare Sales and Services, as well as the Head of Employer Sales at Noom, he leads the company's commercial division and drives growth initiatives across all segments. Prior to Noom, Cody worked at Springbuk, a healthcare data analytics company, where he played a crucial role in shaping the landscape of business development, mid-market sales, enterprise sales, and strategic accounts

Dr. Chris DeRienzo is a nationally recognized physician leader, health advocate, and fitness enthusiast committed to transforming healthcare and inspiring wellness at every level—from individuals to entire communities.

In his role as Chief Physician Executive of the American Hospital Association (AHA) and President of the AHA’s 501(c)3 affiliate Health Research & Educational Trust, Dr. DeRienzo leads national initiatives to improve healthcare delivery, strengthen hospitals, and promote innovation across the nation’s health systems. A passionate advocate for health improvement, he is a frequent spokesperson on critical clinical issues impacting communities nationwide.

Throughout his career, Dr. DeRienzo has focused on improving healthcare quality and innovation. At WakeMed Health and Hospitals, he helped guide the organization through the challenges of the COVID-19 pandemic, contributing to its consistent recognition for safety and quality with A/A/A Leapfrog designations. At Mission Health, his innovative use of data analytics earned the system recognition as an IBM Watson Top 15 Health System in 2017 and 2018.

Dr. DeRienzo holds dual board certifications in pediatrics and neonatology and serves as an Adjunct Professor of Pediatrics at Duke University. In addition to his work at the AHA, he also serves as a Board Member for Mednition and as an Advisor to Concord Health Partners.

Chief Physician Executive

Chris DeRienzo

Dr. Christina Valentine, MD, MS, RDN, FAAP, FASPEN