Biography

John W. Mannion, born on July 8, 1968, in Syracuse, New York, is a Democratic politician representing New York's 22nd Congressional District, which includes communities such as Syracuse, Utica, Oneida, Auburn, and Cortland. He assumed office in the U.S. House of Representatives on January 3, 2025. Prior to his congressional tenure, Mannion served as a New York State Senator for the 50th District from December 16, 2020, to December 31, 2024. Before entering politics, he dedicated nearly three decades to teaching high school science, including Advanced Placement Biology and Chemistry, at the West Genesee School District in Onondaga County. As president of the West Genesee Teachers’ Association for eight years, he represented 400 teachers and nurses during two successful contract negotiations.

Education

• Bachelor of Science in Biology from Binghamton University
• Master of Science in Secondary Science Education from the State University of New York at Oswego

Political Experience

• New York State Senate :

  • Elected in 2020, becoming the first Democrat to hold the 50th District seat in over 50 years.
  • Served as the founding Chairman of the Senate Committee on Disabilities, securing consecutive cost-of-living increases for Direct Support Professionals and expanding employment opportunities for individuals with intellectual or developmental disabilities.
  • Authored legislation requiring a report by New York State’s Office for Persons with Developmental Disabilities on the agency’s pandemic response.
  • Championed the Green CHIPS legislation, credited by Micron as a determining factor in its decision to invest $100 billion to build a chip fabrication facility in Clay, New York, resulting in over 50,000 new jobs.
  • Passed bills to create the Upstate Flood Mitigation Task Force and establish the first new police force in New York in fifty years at the Syracuse Regional Airport Authority.
  • Secured over $5 million for critical workforce development programs and passed strong reproductive health care protections.

• U.S. House of Representatives :

  • Elected in 2024, defeating incumbent Brandon Williams.
  • Appointed to the House Education and Workforce Committee and the House Agriculture Committee, reflecting his extensive teaching and organized labor experience.
  • In 2025, voted for the Laken Riley Act, joining 46 House Democrats and all Republicans.

Mannion resides in Geddes, New York, with his wife of twenty-seven years, Jennifer, an elementary teacher and reading interventionist, and their three children.