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Deputy County Executives

Chief Deputy County Executive - Rob Walker

Rob Walker is the Chief Deputy County Executive. As Chief Deputy County Executive Mr. Walker manages the activities of all departments under the purview of the Nassau County Executive.

Most recently, Chief Deputy County Executive Walker served as an Assemblyman in the 15th Assembly District, which encompasses northern Oyster Bay and portions of the towns of Hempstead and North Hempstead, after he won a special election held May 24, 2005. He was reelected in November 2006 and November 2008.

Previously, Chief Deputy County Executive Walker served as deputy commissioner of parks for the Town of Oyster Bay and spearheaded the town’s Save Environmental Assets Fund Committee.  Before working in the parks department, he served three years as an assistant to Oyster Bay Town Supervisor John Venditto, where he was director of traffic survey and constituent services.

Chief Deputy County Executive Walker served as the Vice Chair of the Steering Committee, as Ranking Member of the Assembly Tourism, Parks, Arts & Sports Development Committee and is also a member of the Assembly Standing Committees on Aging, Election Law, Energy, Labor and member of the Assembly Sub Committee on Renewable Energy.  In addition to his committee assignments, Mr. Walker served on several Assembly Task Forces including Chairman of the RemaiNY Young New Yorkers, Medicaid Fraud, Waste and Abuse, Safer Communities and Successful Schools. Mr. Walker was honored to serve on the Joint Budget Conference Committee on Education, especially important during the budget negotiation process of 2007 and Health in 2008.

Chief Deputy County Executive Walker is a lifelong resident of Hicksville, where he lives with his wife, Elizabeth.

Deputy County Executive of Finance - Tim Sullivan

Mr. Sullivan has over twenty years of progressive financial analysis and control background with municipalities, large corporations, and "think tank" academic research organizations.  Prior to his current position he was Director of Financial Planning for the Long Island Power Authority, which owns the electric transmission and distribution system on Long Island that delivers power to more than 1.1 million retail customers.  His responsibilities at the Authority included the administration of LIPA’s long-term financial planning, including, oversight of financial modeling and economic forecasting.  In addition Mr. Sullivan was responsible for the financial implementation of one of the most ambitious energy efficiency programs in the country.

Prior to that position, he was recruited to head revenue and economic analysis for the Nassau Interim Finance Authority created by Governor George Pataki under the leadership of Frank Zarb, former Chairman of the NASD and the NASDAQ Stock Market Inc.  In this role, Mr. Sullivan instituted the development of the County’s first Four-Year Financial Plan to identify future budget shortfalls and map recurring gap closing measures to achieve structural balance.  In 1996 Mr. Sullivan was brought in to serve as the initial director to head the budget office for the newly created Nassau County Legislature, which represents 1.3 million residents.  He has also performed research for Wharton Econometric Forecasting Associates.

Mr. Sullivan has a Master of Arts Degree in International Economics from Fordham University and holds a Bachelor of Arts in History from there as well.

Deputy County Executive for Health and Human Services - Dr. Phillip Elliot

Dr. Phillip Elliot serves as Deputy County Executive for Health and Human Services. Prior to his appointment as Deputy County Executive, Dr. Elliott served as Executive Director of Minority Affairs and prior as CEO for the Antioch Housing Fund Corporation and the Antioch Community Development Corporation.

Dr. Elliot obtained his Bachelors of Science in Business Education and Administration from Elizabeth City State University in North Carolina, and a Masters of Divinity from Virginia University. He attended Hofstra University for a Graduate Studies for Public Administration degree, and was conferred his Doctorate in Divinity from Virginia Seminary and College in Lynchburg, Virginia. He also went on to do further Doctorate work in Administration and Education at Fordham University.

Dr. Elliot has been an ordained minister for 35 years, and has been the senior pastor of the Antioch Baptist Church in Hempstead for the last 16. Prior to that, he was the pastor of the Brookville Baptist Church in Lynchburg, Virginia, and the Antioch Baptist Church in Brooklyn.

He has served as the Director of Administration for the Virginia Legal Aid Society, on the Board of Trustees of Virginia University, as Director and Faculty Member of Virginia University's New York off-site campus, Secretary of the Board of Trustees for the Marcus Garvey Nursing Home Inc., Chairman for the Ministers Alliance for the Development of Education, and Dean of the Congress of Christian Education of the Empire Missionary Baptist Convention and the Eastern Baptist Association of NY Inc. He is the recipient of the Community Service Award of the Central Nassau Club of the National Association of Negro Business and Professional Women, Inc, the "family of the year award" from the Brooklyn Council of Churches, the "Unispan Award" from Hofstra University and the Humanitarian Award of the Black and Puerto Rican Legislators Association.

Vic Politti
Deputy County Executive for Public Safety - Victor Politi M.D.

Dr. Victor F. Politi, M.D., is the Deputy County Executive of Public Safety for the Honorable County Executive Edward P. Mangano.  Dr. Politi oversees the Nassau County Police Department, Office of Emergency Management, Probation Department, Sheriff’s Office, Department of Corrections, Fire Marshal’s Office, Traffic Parking Violations Bureau, Medical Examiner’s Office, and the Nassau County Department of Health.

Dr. Politi is a physician who trained at the University of Medicine and Dentistry of New Jersey, Robert Wood Johnson University Hospital and the Medical Center at Princeton New Jersey.  He received his undergraduate degree from St. Johns University in Healthcare and Urban Health.  Dr Politi has served as an Emergency Department Attending Physician, Director and Chairman, as well as President of the Medical Staff at St. Johns Queens Hospital in Elmhurst, N.Y. and Chairman of the Divisional Executive Committee and Central Executive Board of the Caritas Hospital System.  Afterward, serving as the Executive Vice President and Chief Medical Officer for Cornerstone Treatment Facilities Network New York’s largest privately owned OASAS Certified hospital system, specializing in Addiction Medicine.  Dr. Politi completed an additional residency in Occupational and Environmental Medicine at UMDNJ-RWJ Medical School and is also Board Eligible in Addiction Medicine by the American Board of Addiction Medicine.   Dr. Politi recently served as a Police Surgeon for the Nassau County Police Department.  In addition, Dr. Politi is an active “Class A” interior firefighter in his local community volunteer fire department.

Dr. Politi is a member of the American College of Physicians, the American College of Emergency Medicine, the American Board of Addiction Medicine and the American Board of Occupational and Environmental Medicine.  Dr. Politi also serves on the Regional Emergency Medical Service Council for New York City as well as Nassau County. Dr. Politi completed medical school while working as a police officer for the New York City Police Department.  Rising to the rank of Lieutenant in the Emergency Service Unit. During this time, he was the recipient of one of the highest medals three times for Valor in the performance of his duties.  He was the Columbian Association Police Officer of the Year, New York Daily News Hero of the Month, and NYC Police Foundation Police Officer of the Year and was distinguished in many publications during his career with the NYPD.