Community Healthcare
Network is lead by a team
of professionals dedicated
to bringing access to healthcare
to people of New York City

Each member brings years of experience and their unique strengths to their work at CHN.


Robert Hayes,

President and CEO

Robert Hayes (Bob) was named President and CEO of Community Healthcare Network in December 2014.


Mr. Hayes has deep experience in leading mission-driven organizations locally and nationally, both advocating for and delivering direct services to people in need. Mr. Hayes founded and led the National and New York Coalitions for the Homeless, winning the nation’s first right to shelter court ruling and battling to remedy many of the upstream causes of homelessness including the shortage of supportive housing for people with mental illness, substance abuse, HIV/AIDS and families in need of protective and preventive services. He has served as the president of the Medicare Rights Center, a non-profit organization supporting consumer interests in national and state debates over issues of healthcare and aging.

Most recently, Mr. Hayes oversaw consumer protection for more than two million Americans with Medicare as the senior vice president for health quality at Universal American Corp. Mr. Hayes has practiced law with firms in New York and Maine, including Sullivan & Cromwell and O’Melveny & Myers.


Mr. Hayes has an unwavering commitment to social justices and issues of equity. Mr. Hayes is a staunch advocate for healthcare, behavioral health care, housing, food and income support. He is a MacArthur Foundation fellow and has been awarded honorary degrees by 11 colleges and universities. Mr. Hayes is a graduate of Georgetown University and the New York University School of Law.

Matthew Weissman,

MD, MBA, FAAP, Chief Medical Officer

Dr. Weissman was named Chief Medical Officer of Community Healthcare Network in June of 2012. He currently oversees the quality of clinical care and operations of the centers, recruits providers, interfaces with community groups and hospital administrators, and provides a clinical perspective when collaborating with senior management on the operations of the organization.


Following the passing of CHN’s late past President and CEO, Catherine M. Abate, Dr. Weissman served as the organization’s Acting President and CEO from May 2014 to January 2015. Dr. Weissman joined CHN from the Ryan-NENA Community Health Center, where he served as the Medical Director. Prior to Ryan-NENA, he was an attending primary care physician at a community hospital in Yonkers, NY. Dr. Weissman received an AB in Economics from Harvard University magna cum laude and a Medical Doctorate and Masters in Business Administration in Health Management from Tufts University.

He completed his residency and chief residency at Mount Sinai Medical Center in New York and is Board Certified in both Internal Medicine and Pediatrics. Dr. Weissman holds academic appointments at Mount Sinai Medical Center and the Sophie Davis School of Biomedical Education and holds Courtesy Attending Physician appointments at Beth Israel Medical Center. He currently co-chairs the New York City Department of Health and Mental Hygiene’s Citywide Colon Cancer Control Coalition (C5). He is the co-chair of the Clinical Quality Committee and the Cardiovascular Project Committee of the Mount Sinai Preferred Provider System (DSRIP PPS).


He is on the Boards of Directors of the Community Health Care Association of New York State (CHCANYS) and AmidaCare.  His primary interests are the transition of pediatric to adult care, improving use of electronic medical records, increasing accessibility to care, and streamlining health care delivery. He lives in Manhattan with his wife and three children.

Elizabeth DuBois,

DNP, FNP-BC, AAHIVS, Deputy Chief Medical Officer

Elizabeth DuBois is currently the Deputy Chief Medical Officer at Community Healthcare Network. In this role, she oversees new initiatives, program development and operations of medical affairs. She also oversees the NP primary care and psychiatric NP fellowship.  In addition, she provides primary care services including adult, pediatric, gynecological, and HIV care.  She practiced at Georgetown University Hospital in Washington, D.C. as a registered nurse in several intensive care units. She completed her Masters of Science in Nursing at Columbia University and was a member of Sigma Theta Tau, the nursing honors society.

She served a clinical instructor at Columbia University during this time, teaching undergraduate nursing students, and functioned as the Nursing Coordinator for New York Presbyterian Hospital. She is currently a clinical instructor for the Nurse Practitioner programs at Yale University, New York University, and the University of Pennsylvania, and is also a clinical instructor for Doctorate of Nursing Practice students at Columbia University. She graduated with her Doctorate of Nursing Practice from Yale University in May 2017.

Elana R. Berman,

MPH, Chief of Staff

Elana R. Berman is the Chief of Staff at Community Healthcare Network. She holds a Master’s in Public Health from Columbia’s Mailman School of Public Health and a B.A. in Sociology from the State University of New York at Geneseo.


Elana was formerly the Associate Vice President of Member Advocacy at Universal American where she revamped the Appeals and Grievances department, managed acquisitions of new businesses from a compliance perspective. She also served as the Director of Client Programs at the Medicare Rights Center and as the Director of Volunteer services at Hudson River Community Healthcare.

She has 20 years of experience in the field of healthcare working for providers, community based organizations and healthcare payers.


Elana’s professional background includes working on issues of social and economic justice, non-profit management and strategic development. She also teaches Health Policy classes at Columbia University’s School of Social Work. Elana is bilingual in Spanish and served as a Peace Corps Volunteer in Costa Rica.

Dorothy E. Farley,

LCSW-R, Social Services and Care Coordination

Dorothy Farley is a licensed clinical social worker (LCSW-R) who received her master’s degree in social work from the Hunter College School of Social Work.


While she assumed the position of Vice President of Social Services in 1999, she began her career at CHN managing a teen program and would later become a center Social Worker. She has extensive experience on coordinated care delivery and social services.


In her time at CHN, Ms. Farley has overseen the successful transition of the organization’s COBRA Case Management Program from a fledging one team service in the Bronx to one of the largest COBRA CFP Programs in the state.

This award winning program enabled CHN to successfully transition as a New York State Health Home Lead in Brooklyn & Queens. Ms. Farley also oversaw the integration of the Article 31 Licensed Behavioral Health and Social Services program, which allows patients to receive their medical, behavioral and social services all in the same clinic. She currently sits On the Integration of Care Committee as a voting member of the HIV Health & Human Services Planning Council of New York City.

Kenneth W. Meyer

SPHR, Chief Human Resources Officer

Ken Meyer’s career in healthcare has spanned over 30 years with the last 25 years spent in the practice of Human Resource Management. Most recently prior to joining CHN, as an employee of Aptium Oncology, Inc., he managed the Human Resources Department for the NYU Clinical Cancer Center and the Stephen D. Hassenfeld Children’s Center for Cancer and Blood Disorders at the NYU Langone Medical Center. Ken is a graduate of the Herbert H. Lehman College and holds a Masters Degree in Industrial and Labor Relations from Cornell University/Bernard M. Baruch College. Since 2007, he has been certified as a Senior Professional in Human Resources through the HR Certification Institute.

Ken is also an active member of the local chapter of the Society for Human Resource Management (SHRM), the Human Resources Association of New York, where he serves as the Chair of the Managers’ Forum Special Interest Group. He is also the former president of the North Riverdale Baseball League, his community’s Little League and still volunteers his time whenever he is able. Ken grew up in the Washington Heights section of Manhattan and now resides in the Bronx with his wife and two children. LinkedIn

Luis Freddy Molano

MD, Vice President of Infectious Diseases and LGBTQ Programs

An advocate for quality healthcare for everyone throughout his career, Luis Freddy Molano, MD, worked as a family practitioner in South and Central America prior to joining Community Healthcare Network in 1989. Initially a health educator at our Community League Health Center and the Bronx Health Center, Dr. Molano went on to become Center Director at our Bronx Health Center for 12 years while simultaneously acting as Project Coordinator for the Adolescent Mobile Program and HIV Testing Program.


Dr. Molano then became Associate Executive Director for Women’s Health and the HIV Prevention Programs where he started and implemented one of the most successful HIV programs that integrated HIV counseling and testing with women’s health. As a result of his efforts he was named Assistant Vice President of HIV Programs and Services, a role he filled

for six years before being named Vice President of HIV Programs and Services in 2010. Dr. Molano is a respected voice on HIV issues, presenting at conferences including the US Conference on AIDS, Office of Population Affairs as well as State and City wide forums.


He has also written and published in medical journals like the American Journal of Preventive Medicine and The W-Path (Transgender Health Forum) among others. In addition, he is a Board Member of the Family Planning Advocates of New York State; on the Board of Trustees of the National Association of People with AIDS (NAPWA); sits on the New York City HIV Planning Council – Needs Assessment Committee and has served on the NYS Prevention Planning Group and the NYS AIDS Services Delivery Consortium and is a former member of the International AIDS Society. He is fluent in Spanish and English. LinkedIn

Alan Wengrofsky

CPA, Chief Financial Officer/Vice President
of Finance

Alan Wengrofsky is the Chief Financial Officer and Vice President of Finance for Community Healthcare Network. He is a certified public accountant (CPA) licensed in the state of New York since 1993 and began his career with Loeb & Troper, LLC. where he specialized in not-for-profit and healthcare accounting.

Prior to coming to Community Healthcare Network, Mr. Wengrofsky was the CFO of a nursing home chain with annual revenue of $500 million dollars. He currently serves as a member of the finance committee of a private school and has previously served on the board of a not-for-profit agency.

David Gross

JD, General Counsel

David Gross, JD, is the General Counsel at Community Healthcare Network and oversees all legal operations of the organization. With over a decade of experience in healthcare policy, David was the former VP; Compliance Officer and Regulatory Counsel at Universal American Corporation, where he developed new compliance programs for each of UAM’s Medicaid lines of business as well as provided ongoing legal and regulatory support to Medicaid and ACO operations.

He also worked for the New York City Department of Health and Mental Hygiene (DOHMH), Division of Mental Hygiene on behavioral health issues and as a health care attorney with several national law firms. He received his JD from New York University Law School where he graduated cum laude and holds a Bachelor’s Degree in Political Science from Emory University.

Susan Yee

DrPH, MHA,  AVP of Community Health & Clinical Operations

Susan Yee joined Community Healthcare Network as the Associate Vice President of Community Health and Clinical Operations in November 2016.  Susan is a public health practitioner and healthcare administrator with over 15 years of experience in strategic planning, operations and process improvement, organizational development, program implementation and evaluation.


Prior to assuming her current role at CHN, Susan served as the Director of Quality Improvement and Strategy at New York University School of Medicine. She was also the Associate Director of Programs and Services at the Charles B Wang Community Health Center and the Deputy Director of Clinical Systems Improvement Unit at the New York City Department of Health and Mental Hygiene. Additionally, she has worked as an independent consultant for numerous non-profits in New York City.

Susan holds a Masters in Health Administration with a concentration in Health Policy from the University of Washington and Doctorate in Public Health from SUNY Downstate Medical Center. Her interest is focused on reducing health disparities, improving childhood and adolescent health and advancing the field of dissemination and implementation research.

Meet Our


Board Members

As a Federally Qualified Health Center, meeting the community’s needs is our highest priority. We stay in-tune to those needs by keeping our board made up of at least 51% patients at our centers.

Community Healthcare Network is proud to have as part of their governing board the following outstanding professionals and community members:

Elizabeth Krob Kellner

M.P.H., J.D., Chairperson

is currently an Alumni Director of the Public Interest Law Foundation at Columbia, Inc. and a member of the Advisory Council of the Citizens’ Committee for Children. Ms. Krob Kellner is a retired litigation attorney having practiced at Willkie Farr & Gallagher and Marsh & McLennan Companies.  Prior to law school, Elizabeth worked at the Center for Population and Family Health at Columbia University’s School of Public Health. She received a J.D. and M.P.H from Columbia University and her undergraduate degree from Georgetown University. She has been a member of the CHN Board since 1989, and in 2014 received the outstanding Board member award from the Community Health Center Association of New York State.


Nancy L. Rapoport

Ph.D., M.P.A, Treasurer

is a retired investment banker and non-profit consultant. She had 14 years of experience in the municipal finance departments of Credit Suisse First Boston and Dillon Read developing financing strategies and structuring financings for non-profit clients before moving to financial advisory firms to work more directly with her non-profit clients. Early in her career, Nancy worked in the public and non-profit sectors, including at the Center for Health Systems at Columbia University’s College of Physicians and Surgeons and as Director of Health Manpower Planning at the NYC Health Services Administration.  She received her Ph.D. from the Columbia University Graduate School of Business, her M.P.A. from the Wagner School of Public Service at New York University and her undergraduate degree from the University of Pennsylvania. Nancy has been a member of the CHN board since 2000.


Donna Anderson

is a retired attorney having served as the Assistant Counsel to the Board of the New York City Board of Education. Previously, she practiced as an associate with the law firm of Epstein Becker & Green and was a teacher with the New York City Board of Education. Donna is a past president of the Association of Black Women Attorneys and active member of Zeta Phi Beta Sorority, Inc. She received her J.D. from Hofstra University School of Law and her M.S.Ed. and undergraduate degrees from Brooklyn College. She has been a member of the CHN Board since 1990.


Josephine Diaz


is private practice social worker who offers psychotherapeutic services to children, adolescents and adults, with a specialty in traumatology. Since 2008, Dr. Diaz works as the Upper School Psychologist at the Dalton School. Prior to this, Dr. Diaz worked for twelve years as a Federal monitor and a mental health consultant for Head Start Programs in the Northeastern U.S. and Puerto Rico. Dr. Diaz is a founding board member of The Association of Hispanic Mental Professionals and of The Hispanic Women Leaders. She is also on the Board of The Metropolitan Center for Mental Health since 2004. She received Ph.D. in Clinical Psychology at Teachers College, Columbia University, her MS in Social Work at Columbia University, and her BA at Fordham University. She has served on the Board of Community Healthcare Network since 2006.

Greta Elysee

is the Research Coordinator for the Division of Education Quality and Analytics (DEQA) and Manager of the AMA Accelerating Change in Medical Education Program within the Institute for Innovations in Medical Education (IIME). Greta has more than ten years of experience working in health disparities research. Prior to joining IIME, she served as the Director of the Center Student Investigator Program within NYU Langone Medical Center’s Department of Population Health. She coordinated events and learning opportunities for community partners and managed a program that provided training, outreach and research opportunities for graduate and post-graduate students. Greta is a mentor for Year Up NYC, and a volunteer interpreter for Human Rights First. She has been a member of the CHN Board since 1998.


Erika Lindsey

is a Senior Policy Advisor for the New York City Mayor’s Office of Recovery and Resiliency (ORR), working on initiatives that support the strengthening of social infrastructure and support networks in communities across the city. Previously, Erika conducted spatial analyses that informed policy recommendations for the City’s comprehensive climate resilience plan, A Stronger, More Resilient New York. As part of her flood risk outreach work, she used geospatial analyses to communicate current and future flood risk to New York City’s population, built environment and critical infrastructure. Prior to the Mayor’s Office, Erika worked as a Land Use Planner for the Manhattan Borough President’s Office, taught ArcGIS to nonprofit leaders, and conducted spatial analyses for an environmental justice organization in New Delhi, India. Erika is a graduate of the University of California, Los Angeles with a B.A. in Sociology. She received her Master in City Planning from the University of Pennsylvania School of Design. She has been a member of the CHN Board since 2013.


Randy P. Siller

is the co-founder of Siller & Cohen, a premier family wealth advisory firm that has been providing comprehensive wealth management planning services to high net worth individuals, families, and business owners for over 25 years. Formerly a Senior Tax Manager at Touche Ross, and Senior Vice President and National Director for Private Wealth Services for Lincoln Financial Advisors/Sagemark Consulting, Randy is a frequent speaker on investment, estate and charitable planning topics and has been quoted in the Wall Street Journal, Time Magazine, Financial Planning Magazine and other publications. He received a Master’s degree in taxation and a Bachelor’s degree with a minor in finance. Mr. Siller has been a member of the CHN Board since 2014.

June Niklus

Vice Chairperson

is a Partner in Deloitte & Touche’s Financial Services audit practice. She is a registered CPA in NY and a member of the American Institute of CPAs and the New York State Society of CPAs. She also serves on the board of the Cooke Center for Learning and Development and is a member of the audit committee of the Financial Women’s Association. June has a BA in government from Cornell University and an MBA in professional accounting from Fordham University.  She has been a member of the CHN Board since 1995.


Eleanora Sottilaro

M.S., M.A., Secretary

currently has her own consulting practice which ensures proper processes, systems and technologies for optimal integration and precise processing for all HR functions for her diverse clients. She received a M.S. from the New School for Social Research and M.A. from Columbia Teacher’s College and BA from Rutgers College. She has been a member of the CHN Board since 2010.


Ralph Aquila


is a Psychiatrist and the current Medical Director of Fountain House Inc. Dr. Aquila received the NAMI Exemplary Psychiatrist Award in 1999 and is an Assistant Clinical Professor of Psychiatry at the Ichan School of Medicine at Mt Sinai. He also serves as the Chair of the Baer Reintegration Scholarships, which are given to persons with serious mental illness annually.  Dr. Aquila received his Medical Degree from the Universita’ degli Studi di Bologna and completed his residency at St. Luke’s/Roosevelt Hospital Center. He became a member of the CHN Board in 2016.


Caroline Dorsen


is the coordinator of the Family Nurse Practitioner Program at NYU College of Nursing, where she has been on the faculty for over 10 years. She provides primary care to homeless men and women at Project Renewal and does research on health disparities among lesbian, gay, bisexual and transgender patients. She received her PhD in nursing from NYU, her master’s degree in nursing from Yale University, and her undergraduate degree from UC Berkeley. She joined the CHN Board in 2015.


Peter Gee

is the Director of New Business Development at The Door and University Settlement. Previously, he served as Chief Program Officer at Pratt Area Community Council and Director of Housing and Community Services at Asian Americans for Equality. He has a Masters in Public Policy from the Harvard Kennedy School and his undergraduate degree from the University of California, Berkeley. Peter has been a member of CHN Board since 2010.


Denise Gordon

is Program Supervisor at SCO of Family of Services. Denise is a committed advocate for the New York City underserved regarding access to community services, benefits, and basic needs, and has over 10 years of experience supporting individuals and families in need by connecting them to essential community services. She received her MSW from the Hunter College School of Social Work and her Bachelor’s degree at John Jay College of Criminal Justice. Ms. Gordon joined the Board of CHN in 2016..


Kristin Manzolillo

is a Director within Pfizer’s Global Policy and International Public Affairs organization, where she analyzes how changes in state health care policy impact Pfizer, patients, providers, and other stakeholders. Prior to joining Pfizer, Kristin worked as a consultant to health care organizations at Accenture.  Kristin received her MPH from Tufts University and also completed her undergraduate studies at Tufts. Kristin has been a member of the CHN Board since 2013.


Brenda J. Merritt


is the Physician Advisor at the Harlem Hospital Center. Dr. Merritt has been a member of the CHN Board since 2007.

Jennifer J. Ramirez

has over ten years of experience in community organizing, advocacy, and outreach to NYC’s LGBTQ community. With her experience working with sex workers, young people of color, and survivors of sexual violence, she believes in utilizing a hands on approach to get people involved in important matters. Jennifer has been involved with F.I.E.R.C.E., Sex Workers Project, School of Unity and Liberation, and the Anti-Violence Project. She is passionate about working with underserved communities and has been a client of CHN for the past decade. Ms. Ramirez joined the CHN Board in 2015.




At CHN, our team of primary care doctors and specialists are dedicated to helping you and your family get well and stay healthy.

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