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.
Senior Director of Program Resources
Jane de Groot joined Duffy In 2006 as the Director of Program Resources. Jane has initiated and nurtured Duffy’s involvement in research with academic partners; has championed evidence-based practice training for staff and community partners; and has strengthened Duffy’s ability to serve its clients through developing key agency partnerships and special projects.Jane received her bachelor’s degree in Comparative Literature from Antioch College and MPA in Health Services Administration from NYU Wagner School of Public Service. In New York, she worked for John Wiley & Sons Medical Division, Memorial Sloan-Kettering Cancer Center, the New York City Dept. of Health, and NYU School of Education and Allied Health, Office of Sponsored Research.

Director of Development and Community Relations
Ms. Grambach has lived and worked on Cape Cod for more than ten years in development, marketing and communications roles at Cape Cod Healthcare and other area non-profits. She holds a BA in Journalism from The University of Georgia and an MS in Health Communications from Tufts University School of Medicine. Ms. Grambach began her career working in health communications and health care operations with Genzyme Corporation and Partners HealthCare.Sara has served as a Town Councilor for the Town of Barnstable and on the board of Cape Cod Young Professionals.
In her role at Duffy, Ms. Grambach oversees all aspects of fundraising and the center’s marketing and communications efforts.

Chief Medical Officer
Dr. Jones came to Duffy from the role of Chief Quality and Compliance Officer at Greater New Bedford Community Health Center. She obtained a Bachelor of Arts degree in Biology and a Master’s Degree in Education at the University of Michigan before completing her Doctorate of Medicine at Michigan State University College of Human Medicine. She is pursuing her Master’s of Business Administration at UMass Amherst.Dr. Jones completed her Obstetrics and Gynecology Residency at Oakwood Hospital and Medical Center in Dearborn, Michigan and is a Certified Physician Executive through the American Association for Physician Leadership. In her role at Duffy, she oversees the center’s medical department including patient care, patient safety, quality improvement, and clinical operations.
Board of Directors
Officers
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.
Directors
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.