Leadership Team

Chief Executive Officer

Heidi Nelson joined Duffy Health Center as CEO in 2010. Heidi is responsible for Duffy Health Center operations, quality of care, program development, funding support, advocacy on behalf of persons experiencing homelessness, and representing Duffy at the local, state and national level. Previously, Heidi was the Executive Director of Heartland Health Outreach, Inc. Prior to that, she was Assistant Vice President at Northwestern Memorial Hospital in Chicago.

Heidi is the Administrators Committee Chair for the National Health Care for the Homeless Council. She has a bachelor’s degree in Community Health Education from the University of Illinois and a master’s degree in health services administration from the University of Michigan School of Public Health. Heidi also completed a Fellowship in Academic Medical Center Administration at the University of Michigan Medical Center, and she is also Fellow of the American College of Healthcare Executives.

Heidi lives in Harwich with her husband.

Senior Director of Program Services

A graduate of Boston College Graduate School of Social Work, Patricia A. Cawley has been with Duffy Health Center since 2012. She has extensive clinical experience working with under serviced populations – primarily people with substance use disorders, mental health disorders and those experiencing homelessness. Administrative expertise includes developing systems of care and restructuring programs as the clients’ needs and funding streams change.

Prior to joining Duffy, Patricia was the Clinical Director of Camillus House, a nonprofit agency in Miami, FL that provides a complete system of care for people who are homeless. In 2012, she was honored by being named the Social Worker of the Year for Miami Dade County. At Duffy, Patricia serves as the Senior Director of Program Services which encompasses the case management and behavioral health programs.

Chief Financial Officer

Jeff is a Selectman in the Town of Chatham where he lives with his wife. He is also on the Board of Directors at the Cape Cod Community College Educational Foundation. He has previously served on the Board of the Cape and Islands United Way and as President of the Massachusetts-Rhode Island Chapter of the Healthcare Financial Management Association.

Heidi Romans Nelson

Chief Executive Officer

Patricia A. Cawley

Senior Director of Program Services

Jeffrey S. Dykens

Chief Financial Officer

Board of Directors


Kathleen Bresette, President
Susan Harrington, Vice President
John Murphy, Treasurer
Paulette Shaw Querner, Clerk

Honorary Directors

Herbert Mathewson, MD
Neil Ringler, DDS
Andrew Singer, Esq.

Board of Directors Member Login

Interested in joining the Board of Directors? Learn more here.


James J. Cullen
Miguel R. DaSilva
Jeffrey Haddad
Susan Harrington
Christine Johnson-Staub
Chester H. Mohr, MD
Stuart Murphy
Vanessa L. Proc
Kurt E. Raber
Mary Rahal
Olympia Z. Ramos
Peter Scarafile
Richard N. Smillie
Martha Taylor
Corrie Vilsaint, Ph.D.

Consumer Advisory Board

Representing Community Voices

The Consumer Advisory Board (CAB) is an appointed group of Consumers whose input is sought for strategic and operations improvement purposes on an ongoing basis. The primary mission of the CAB is to facilitate open communication between Duffy Health Center leadership and Consumers.

The CAB is a crucial source of insights about Consumer issues and concerns and service requirements from Duffy. Members have the opportunity to influence decision-making at the highest levels of Duffy and to experience meaningful interaction with peers.