Our Team

Meredith Luce 80Bites

Meredith H. Luce, MS, RD, LDN

A registered dietician since 1980, she holds a bachelor’s degree in community nutrition and clinical dietetics from Simmons College and a master’s degree in public health nutrition from Columbia University, magna cum laude. Meredith specializes in weight loss and digestive disorders.

Joan Breibart

President of PhysicalMind Institute, who started the Pilates boom in 1991 with the first Pilates Certification program. The Institute’s courses deliver the most evolved professional training today. Their latest innovations include Parasetter®, a roller that helps to reduce cortisol levels, and a wearable resistance system called Tye4®.

Mary Beth Langlinais 80Bites

Mary Beth Langlinais, MS, RD

With more than 25 years of experience as a registered dietitian and exercise specialist, she received her bachelor’s of science in kinesiology in 1989 and her master’s in science in nutrition and dietetics three years later. Mary Beth is a certified Pilates teacher through PhysicalMind Institute and an adjunct faculty member at the University of Louisiana at Lafayette in the department of nursing/dietetics.

Sam Stomach Portion Control

Sam Stomach

Our fearless leader Sam Stomach is here to keep your stomach small and honest. When you use the 80Bites app, Sam offers words of encouragement—e.g., “It’s okay to ogle. There’s a reason people call it food porn!”—as you follow the program. With more than five decades of experience dealing with overstretching, Sam now fights for the rights of abused stomachs everywhere.