About us

2025 Bergen County Commissioner Candidates

Jeffrey “Jay” Costa

John Dinice

Andrea Slowikowski.

Jay Costa

  • Fourth generation Bergen County resident 
  • Real estate sales and development professional
  • Knights of Columbus member
  • Bachelor of Arts, Political Science, The College of New Jersey
  • Bergen Catholic High School, Class of 2007
  • Resides in River Vale with wife Jill and three daughters


John Dinice

  • Lifelong Bergen County resident
  • Nine-year Trustee of the Mahwah Board of Education & Chair of the Policy Committee
  • 36-year Environmental Manager at Bergen County Utilities Authority
  • Actively involved in professional and community organizations, including the NJ Water Environment Federation, NJ Industrial Quality Committee, NJ Watershed Alliance, former member Bergen County Environmental Council, NJ School Boards Association, and Bergen County School Boards Association
  • Bachelor’s degree, Environmental Science, William Paterson University
  • Parishioner of St. Paul’s R.C. Church, Ramsey
  • Married with three children


Andrea Slowikowski

  • Lifelong Bergen County resident
  • Demarest Council President
  • Real estate small business owner and manager
  • Long-time community volunteer: PTO board member, Girl Scout leader, CCD teacher
  • MBA, Columbia Business School, Magna Cum Laude, Beta Gamma Sigma Honor Society
  • Parishioner of Saint Therese Church, Cresskill