Board of Directors

  • Advance of Greater NY

    • Steven Vernikoff, President

    • Scott L. Barkin, Ph.D.

    • Arthur Palevksy

  • Alliance Care Network

    • Jill Gentile, Vice President

    • David Mandel

    • Elliot Brownstein

  • Long Island Alliance

    • Walter W. Stockton, Secretary/Treasurer

    • Robert C. Goldsmith

    • Lewis Grossman


  • Staten Island Opportunity Alliance

    • Cris Marchionne

Meet the Executive Team of Advance Care Alliance

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Joseph John ‘Jay’ Nagy


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Responsibilities: Jay is the founding CEO of ACANY. Since joining in 2017, he has spearheaded the successful NYS application process, hired a senior leadership team, overseen the implementation of an electronic health record that is critical to improve quality of care, and launched ACANY in July 2018–an organization that now serves 25,000 Medicaid beneficiaries with intellectual and/or developmental disabilities (I/DD) and their families. His singular mission is to transform dozens of community provider-led Medicaid Service Coordination programs into a single comprehensive regional program serving New York City, Long Island, and the Lower Hudson Valley by July 2019.

Professional Background: After a decade of experience in private sector finance and corporate strategy, Jay more recently held increasingly senior positions at The Advisory Board Company and then CareCentrix, a national managed care organization. His work was focused on developing and implementing innovative strategies to improve the patient experience in healthcare settings, while advancing the integration of care delivery and outcomes through the use of software tools, quality improvement systems and reimbursement restructuring.

Education: University of Pennsylvania Huntsman Program in International Studies & Business BS (Economics) & BA (International Studies).

Interests:Jay is foregoing vacations and hobbies for now to pursue this once-in-a-lifetime opportunity to play a pivotal role in supporting broader choice, more independence and healthier lives for thousands of people with I/DD and their families. A recent Manhattan resident, Jay says that walking his 3-year old Coton de Tulear Rémy keeps him in touch with NYC street life and the world outside ACA’s WeWork offices.

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Mathew Smith, MBA, LMSW


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Responsibilities: Matt oversees day-to-day business operations and the work of the ACANY executive leadership team. Since joining ACANY in April 2018, he has worked closely with Jay to hire the executive team and design an operations plan for the ACANY CCO. Matt had the lead oversight role in implementing the operations plan in time to start providing services by July 1, 2018.

Professional Background:Most recently, Matt was Vice President of Operations for Coordinated Behavioral Care (CBC) Health Home/IPA where he led CBC’s business and infrastructure development, oversaw the human resource and finance functions, negotiated contracts and provided leadership in the expansion of health information technology. Prior to joining the CBC leadership team, Matt was the Senior Vice President for Integrated Health Services at HeartShare St. Vincent’s Services, overseeing community mental health clinics, substance use disorder clinics, and health care services for the organization’s foster care population. In that role and previous positions at the agency, he systematically redesigned service models and strengthened the fiscal management of behavioral health and community programs.

Education: Hunter College, MSW; Columbia University MBA; Clark University (BA, Psychology).

Interests:Matt lives in Manhattan with his wife and a pair of mischievous Lhasa Apsos.

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Kimberly Jaynes


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Responsibilities: Kimberly plays a critical role at ACANY overseeing service delivery of 800 care management team members by the end of the transition year. These team members provide care management services to more than 25,000 people with I/DD, across the 10 downstate counties of NYS. (Rockland Orange Westchester, 5 boroughs of NYC and Nassau and Suffolk Counties on Long Island.

Professional Background: For more than 20 years, Kimberly worked for not-for-profit providers that offered OPWDD services in increasingly more responsible positions, most recently as the Assistant Vice President of Community Services at Family Residences and Essential Enterprises with oversight for Medicaid Service Coordination, Assistive Technology and Environmental Modification, Family Support Reimbursement, OPWDD Housing Subsidy, Family Care, Central Admissions and Self – Directed Services.

Education: Stonybrook University, Masters (Liberal Arts/NFP leadership); SUNY Brockport, BA

Interests: A Mastic, Long Island resident, Kimberly loves travel and her dog Logan.

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Justin Mullen


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Responsibilities: Justin manages the outreach and contracting of ACANY’s network partners in NYC, Long Island and Lower Westchester. He also monitors their ongoing quality and performance management.

Professional Background: Prior to this current position, Justin held several positions of increasing responsibility at CareCentrix, a managed care company, overseeing a provider network and working on new business initiatives/ partnerships.

Education: University of Mary Washington, B.S (Business Administration & Economics).

Interests: Justin resides in NYC with his dog Stella. He enjoys skiing and mountain biking.

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Dianna Musca, LCSW


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Responsibilities: Dianna ensures the provision of high-quality services at ACANY through staff development, initiation of quality improvement projects and monitoring of compliance with quality standards. Her experience overseeing quality assurance services, combined with her management experience in Health Home care management, has well-equipped Dianna to design and develop the systems necessary to support ACANY’s successful operation.

Professional Background: For the seven years prior to joining the ACANY team, Dianna held increasingly more responsible supervisory and management positions at Postgraduate Center for Mental Health. Most recently, she was Postgraduate’s Deputy Vice President of Community Operations, overseeing all of the agency’s community-based programs including care management. Earlier in her career, Dianna was the Quality Assurance Coordinator for the Mental Health Association of Nassau County.

Education: New York University, MSW; Hofstra University BA (Psychology).

The reason I joined ACANY: “Having been a part of the transition to Health Home Care Management in the behavioral health field, I had a chance to see the improved outcomes of the individuals we served. This new model of care is something I believe in. It’s not often in life we are presented with an opportunity to build the foundation of something that will improve the lives of so many people. It’s exciting to be able to create something so meaningful from the ground up using the lessons I’ve learned over the years.”

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David Wallach


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Responsibilities: David oversees the development, implementation and management of information technology systems for ACANY. He is engaged in building new systems, policies and procedures to support delivery of quality care management services.

Professional Background: With more than two decades of experience developing, implementing and managing information technology systems at not-for-profit service agencies, most recently with St. Christopher’s, Inc., David brings a wealth of experience to the task of providing ACANY care managers, members and their families with access to timely information to guide their life choices. He takes great pride in his successful track record at a number of not-for-profit community agencies (St. Dominic’s House, Abbott House. Good Shepherd Services) implementing meaningful, useful data and technology systems that enable social and health services staff spend more time doing their essential work using high quality information.

Education: Adelphi University, MSW; Manhattanville College, BA in Psychology

Interests: David is devoted to his beautiful family and Sam, his “sweet” rescue dog. He is an amateur singer/songwriter and enjoys performing at open mics and jams.