Assembly Member, New Jersey State General Assembly, 1996-2018

Deputy Speaker, New Jersey State General Assembly, 2004-2018

Assistant Majority Leader, New Jersey State General Assembly, 2002-2003

Deputy Minority Conference Leader, New Jersey State General Assembly, 1998-2001

Chair, New Jersey Fire Safety Commission, 2000-present

Former Member, Building Utilization Committee, Sayreville Board of Education

Former Member, Environment and Solid Waste Committee, New Jersey State General Assembly

Former Chair, Transportation and Independent Authorities Committee, New Jersey State General Assembly

Chairman, New Jersey State Democratic Committee, 2010-2013

Democratic Chair, New Jersey Legislative Apportionment Commission, 2010-2011

Member, Middlesex County Senior Citizens Housing Task Force, 1994-1995

Member, Sayreville Cable Television Advisory Board, 1990-1991

Owner, Wisniewski and Associates, Limited Liability Corporation, 2006-present

Former Adjunct Professor, Monmouth University

New Jersey State Chairman, Bernie Sanders Presidential Campaign, 2016

Partner, Ronan, Tazzio and Giannone, 1995-2006

Associate, Robinson, St. John and Wayne, 1990-1995

Associate, Grebow, Drobbin, VanDeventer and Kramer, 1989-1990

Associate, McManimon and Scotland, 1987-1989

Board Member, United Way of Central New Jersey, 2001-present

Member, Executive Board, Middlesex County Arts and Education Council, 2000-present

Chairman, Sayreville Democratic Organization, 2000-2010

Member, Middlesex County Planning Board, 1994-1995