Our Chapter Leaders

Physicians' Committee for Responsible Medicine  (PCRM), a nonprofit organization, sponsor the chapter network empowering individuals everywhere to start independent local groups (Chapters) promoting the benefits of a whole food, plant-based (WFPB) lifestyle. 

Our Chapter covers southeastern Massachusetts, but we have members from many distant communities within the United States.

Joan Marie Gagnon

Chapter  Leader

A retired CPA/CFP, Joan has a passion for journaling and has written two books, Journal Your Way to Retirement and Journal Your Way to a Peaceful World.  In 2020 she became passionate about a whole food, plant-based lifestyle and co-founded the Chapter with Debra and Shikha .  In 2023 she was certified as a Plant-Based Coach through Food Revolution Network. She received her certificate from eCornell in Plant Based Nutrition in 2020. She recently  received  her Grassroots Plant-based Ambassador Certificate.

Dr. Shikha Singhal Merchia

Chapter Leader

Double Board certified in Internal Medicine & Lifestyle Medicine 🌱 Mom, cook, and whole food plant based enthusiast, and recipe developer.  She has received her certificate from eCornell in Plant Based Nutrition.  

Debra Diamond

Chapter Leader

Debra has received certificates on  Diet & Lifestyle Intervention  from the Wellness Forum Institute​​ For Health Studies, and  Plant-Based  Nutrition ​​ from eCornell.  Debra is currently studying to become a Nutrition Educator.  ​