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PHP is led by invested stakeholders, family members, and advocates with decades of experience in health care, health insurance, and in managing services and supports for people with intellectual and other developmental disabilities (IDD). These industry leaders have collaborated in a pioneering effort to implement a high-quality managed care program for persons with IDD and those who support them.


Executive Leaders

Kerry Delaney

Chief Executive Officer

Kerry Delaney currently serves as the Chief Executive Officer for Partners Health Plan (PHP). Prior to joining PHP, she served for over four years as the Acting Commissioner of the New York State Office for People With Developmental Disabilities (OPWDD), a service provider, employer of over 18,000 staff, and oversight agency for over 700 providers. In this capacity, she constituted a stakeholder Transformation Panel and oversaw implementation of its 40-plus recommendations to improve the system of services for people with developmental disabilities; developed and oversaw implementation of Care Coordination Organizations, a new, comprehensive care coordination model developed by OPWDD providers; put the State on a path toward provider-led managed care for developmental disability services; and oversaw a redesign of the State’s rate structure and quality measurement for OPWDD not-for-profit providers. Prior to serving as Acting Commissioner, she served as Executive Deputy Commissioner and General Counsel at OPWDD and was an Assistant Counsel to the Governor. Ms. Delaney holds a Juris Doctor from Albany Law School.

Dr. Stephan Deutsch

Chief Medical Officer

Dr. Deutsch is a Board Certified Orthopedic Surgeon trained at Columbia and Harvard where he served as Chief Resident at the Massachusetts General Hospital and on the faculty of Harvard University. He was a member of Brown University Faculty of Medicine where he taught and practiced for 20 years. Areas of focus included spine and scoliosis, cerebral palsy, myelodysplasia and pediatric orthopedics. He authored more than 40 scientific papers and exhibits.

He also founded Occupational Health and Rehabilitation Inc., which went public on NASQ and started and developed two other companies including Touchstone Health, a Medicare Advantage HMO in NYC. He served as Chief Medical Officer for a telehealth technology company, a company that managed high-risk health plan members and for the largest PACE program in the country where he built and integrated programs for medical and care management, palliative care, transitional care, behavioral health and clinical pharmacy management.

He has given talks in numerous venues including the Harvard Business School and The National Data Forum on multiple topics including quantitative bone scanning, disease management, the use of data to clinically profile physicians and obtain buy-in, the application of small area variations analysis to enhance the efficiency and effectiveness of utilization and provider network management, pay for performance and the effect of patient-centric measurement on big data (utilization and cost).

Christopher Masi

Chief Financial Officer

Christopher Masi joined Partners Health Plan as the Chief Financial Officer in January 2018. In this capacity, he provides executive oversight of the enterprise’s financial operations. Mr. Masi possesses a diverse background in both private industry and public accounting where he started his career with KPMG. Over the last several years, Mr. Masi has held senior management positions in the health insurance industry with experience in both government programs and commercial business. From 2013 to 2018 he was the Chief Financial Officer of HealthyCT, a start-up commercial health plan formed under the provisions of the ACA as a Consumer Operated and Orientated Plan that grew to $240 million in premiums. There he provided executive oversight of finance, accounting and reporting, underwriting, and business operations/technology.  From 2011 to 2012, he worked for the Marwood Group, a healthcare-focused financial services firm. His responsibilities included leading the financial operations of their wholly-owned subsidiary U.S. Imaging Network. U.S. Imaging Network is a third-party administrator of advanced imaging services that generates cost savings for large employers and provides concierge services to members. From 2009 to 2011, Mr. Masi was the Vice President of Finance of OrthoNet, LLC, an orthopedic specialty-benefit management company. At OrthoNet, he was responsible for all elements of the finance function. From 2004 to 2009, he served as the V.P. Finance for Touchstone Health, a Medicare-focused New York licensed HMO.  There, he oversaw the financial and related regulatory operations of the business.  Mr. Masi acquired a Bachelor of Arts degree in accounting from Franklin and Marshall College and a master’s in business administration with a finance concentration from the University of Connecticut. Mr. Masi also earned New York state C.P.A. license.


Alicia Nelson-Jones

Chief Compliance Officer

Alicia joined PHP in January 2018 as the company’s Chief Compliance Officer. She has over 20 years of experience in health care, managed care, and regulatory compliance; having worked on both the provider and payor sides. Prior to joining PHP, she was Director of Compliance at GuildNet where she was responsible for directing the Plan’s Compliance Program across all lines of business, such as MLTC, FIDA, and MAP. In this role, she was instrumental in revamping the Vendor Oversight and Compliance Committees; as well as ensuring all regulatory reports were timely and accurate for submissions and successful data validations. She has also had the responsibility of leading the Plan through successful surveys and audits. Alicia brings with her a wealth of knowledge in Customer Service, Grievance and Appeals, Claims and Provider Billing. Alicia received her Bachelor of Arts in Political Science and Masters in Public Administration, concentration in Not-for-Profit Management, from Long Island University, Brooklyn Campus. She is certified in Healthcare Compliance (CHC).

Diane Marrone

Chief of Care Coordination

Diane is a non-profit executive with a 25-year career in the developmental disabilities field. Prior to joining PHP in October of 2014, she served as Assistant Director for Intermediate Care Facilities at AHRC Suffolk. In this role, she managed staff and oversaw operations necessary to fully support individuals with both developmental disabilities and complex health needs.  Throughout her career, Diane has worked with systems serving individuals with I/DD from birth through adulthood. She has vast experience in promoting the use of a multi-disciplinary team, person-centered approach to ensure the provision of high-quality services to individuals with I/DD and their families.   Diane recently transitioned to the Chief of Care Coordination position, after having served as Director of Care Coordination for PHP’s Suffolk Region, and subsequently as Senior Director of Care Coordination.  Diane obtained her Master of Social Work degree from Fordham University and is a Licensed Clinical Social Worker and Certified School Social Worker.

Karleen Haines

Chief of Community Relations and Outreach

Karleen is a non-profit executive with 20 years of experience in the field of developmental disabilities. Prior to joining PHP in December 2014, she was Director of Vocational and Employment services at AHRC Nassau, supporting over 500 adults through programs such as day habilitation, supported employment, and pre-vocational. She was instrumental in developing and growing affirmative business models that support work for adults with disabilities. Karleen has served on Education and Workforce Development Committees for NYSACRA and the Long Island Alliance, was a certified OPWDD SCIP-R instructor, Diversity in the Workplace facilitator, and an adjunct faculty at Nassau Community College – teaching an I/DD studies course. Ms. Haines recently transitioned into the role of Community Relations Chief after serving as PHP’s Chief of Care Coordination. She is a licensed Health Agent in the state of NY; holds a BA in Psychology and an MPS in Management from Stonybrook University.

Lila Benayoun

Senior Vice President, Operations

Lila Benayoun is a health care executive with 20 years of managed care experience in strategy, operations and regulatory affairs in both Government and Commercial sectors. Prior to joining PHP, Lila held various leadership positions at EmblemHealth. Notably, she was Director, Health Care Reform and Program Director of New York’s pre-existing condition program implemented as part of the Affordable Care Act. She also held operational leadership roles including performance improvement focusing on increasing administrative cost savings. Prior to EmblemHealth, Lila spent 9 years at Royal Health Care, overseeing the operations of seven Medicaid clients as well as implementing Medicare Advantage and Prescription Drug programs. Lila holds a B.S. in Health Information Management from Temple University and has completed post-graduate studies at Columbia University focusing on Strategic Growth.

Premila Kumar

Chief of Quality Initiatives

Premila Mary Kumar is the Vice President of Quality Programs and Initiatives at Partners Health Plan. Premila has over 20+ years of experience working within the Managed Care environment for such companies as CIGNA Healthcare, Horizon Blue Cross Blue Shield of NJ, and CenterLight Healthcare. Prior to coming to PHP, Premila’s most recent employment experience was as Vice President of Population Health Management and Quality Assurance Performance Improvement at GuildNet. Prior to her position at GuildNet, Premila was the Assistant Vice President for Medical Management at CenterLight Healthcare, New York. Premila is known for implementing innovative initiatives to improve quality measures, HEDIS rates, reduce ER visits, hospital admissions and overall cost for consumer and employer. She is also known for developing disease management programs at Horizon Blue Cross Blue Shield of NJ and CIGNA Healthcare Tristate region.

Premila has been a speaker at several national professional conferences and has contributed her expertise to develop award-winning health education products for Managed Care plans. She has been a guest faculty speaker at Rutgers School of Pharmacy, served on the editorial board for Population Health Insider magazine and was appointed as a resource member for the legislated New Jersey Obesity Prevention Task Force. She most recently participated and was a member of the Value-Based Payment NYS MLTC Clinical Advisory Group. She earned her medical degree from Stanley Medical College, Madras University, India as well as a professional designation from Academy of Healthcare Management.


Board of Directors 

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