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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.