Joel M. Evans, MD The Institute for Functional Medicine. Health (5 days ago) Joel M. Evans, MD, a board certified OB/GYN and international lecturer, is the director of The Center for Functional Medicine in Stamford, CT.He is also senior advisor to Amy Mack, the CEO of IFM, and the co-director of the IFM Resistance, Resilience, and Recovery: Patient Care in a Pandemic course on COVID-19..