President & CEO

Frederica M. Williams, FCIS (UK), MBA  (Biography )

Board of Directors

Pastor Gerald Bell, Department of Housing and Community Development – Chair
Eva Clark, Semi-Retired Attorney – Vice Chair
Vianka Perez-Belyea, Beth Israel Deaconess Medical Center – Secretary
Omolara Bankole, Retired Nurse
Cindy Walker, WSHC Patient
Alicia Wedderburn, Cambridge School System Teacher
Aurelia Williams, WSHC Patient
Monica Johnson , (Attorney and Educator), Paraprofessional, Dearborn Stem Academy
Mash Abdirahman, Owner, Butterfly Cafe, Mission Hill, MA

President’s Advisory Council

  • Robert Mahoney, President & CEO, Belmont Savings Bank – Chair
  • Linda Champion, Assistant General Council Worker’s Compensation Trust Fund
  • Susan Coakley, Executive Vice President & Northeast Region Market President, Beacon Health Options
  • Deborah Daccord, Esq. Member, Mintz Levin
  • Frank Doyle, Chairman & CEO, Connell Limited Partnership
  • John Jenkins, President, West Insurance Agency
  • Ruben King-Shaw, Chief Strategy Officer,Steward Health Care Network
  • Gene Lindsey, MD, Atrius Health (CEO Emeritus)
  • Richard Lynch, Chief Operating Officer, Blue Cross Blue Shield of Massachusetts,
  • Marisela Marrero, MD, President, Good Samaritan Medical Center -Steward Health Care
  • Tom May, Eversource Energy (Chairman Emeritus)
  • Paul Mollica, Director of Community Lending, South Shore Bank
  • Keith Motley PhD, UMass Boston (Chancellor Emeritus)
  • Naomi Stringfield, Marketing Manager, ENGIE Services U.S.
  • Mark Valentino, Head of NFP/Healthcare & Life Safety Finance, Citizens Bank
  • Elizabeth (Beth) Williams, Former President & CEO, Roxbury Technology
  • Danny Levy, Chief Customer Officer, Massachusetts Bay Transportation Authority

Senior Leadership Team:

Jim Lee, Senior Vice President & CFO
Stephen Wright, MD, MBA, Medical Director
Dr. Nurulla Diyanat, Dental Director
Christine Pajarillo, LICSW, Vice President of Programs and Social Services
Michael Ndungu, Chief Information Officer
Keith Abbott, Vice President of Human Resources & Facilities


Dr. Habib Sioufi, MD, Director of Laboratory
Dr. Jean Charles, MD,  Director of Eye Care Services
Cheryl Jean, Director of Lower Roxbury Coalition
Melissa Leaston, RN, Director of Nursing
John Nichols, Director of Patient Financial Services
Chigoziri Ojuka, FNP, NP – Mental Health,  Director of Blue Hill Ave Satellite Clinic
Rhonda Dickson, Director of WIC

Associate Directors:

Caryoln Reynolds, Associate Director Behavioral Health Services, Adult and Substance Abuse Services
Brenda Daley, Associate Director Behavioral Health Services, Child and Family Services
Dr. Mirelle Alexis, DMD, Associate Director, Dental Services


Dr. Lorna Wilkerson, MD, Lead Physician – Women’s Health
Dr. Omar Alani, MD, Lead Physician – Pediatrics and Adolescent Medicine
Dr. Robin Mayfield, MD, Lead Physician, Family Medicine
Dr. Joseph DeMertine, MD Lead Physician, Wellness and Specialty Services
Sophi Lucien, NP, Lead Nurse Practitioner, Family Medicine
Daphnee Delatour, NP, Lead Nurse Practitioner, Internal Medicine
Daniel Auguste, Accounting Manager
Michelle Ward, Manager of Programs and Social Services
Ashley Baril, Wellness and Fitness Center Manager
Robert Edwards, Community Relations Manager and Community Outreach Programs

A note about Whittier and COVID-19

Due to the ongoing COVID-19 outbreak in our area, we ask all clients and patients to call ahead before coming to any of our sites. We are working to take care of most clients/patients via phone/video encounter so we can meet your ongoing healthcare needs. This is for your safety and so we can provide the highest quality of care to you while following CDC guidance for COVID-19. Please call 617-427-1000 for any questions or concerns.

Whittier will provide COVID-19 testing from 10 am to 4 pm on Monday to Friday. Following CDC guidance, we recommend testing if you have a fever AND one of the following three symptoms: cough OR shortness of breath OR sore throat. Please bring your picture identification and your insurance card (if you have insurance).