Join us in building a healthier, stronger New Hampshire.

Dr. Jennifer Mandelbaum is a public health expert and dedicated public servant representing Portsmouth and Newington in the New Hampshire House of Representatives. Elected in a 2024 special election, she champions policies that strengthen community health, climate resilience, and economic well-being. Since January 2025, she has served as the Clerk of the State-Federal Relations and Veterans Affairs Committee.

Dr. Mandelbaum brings experience from industry, academia, and government. She is the Mixed Methods Research Manager at athenahealth, where she leads research to inform national healthcare policy. She also teaches part-time in Tufts University’s Department of Community Health.

A Londonderry native, she holds degrees from Brandeis University (BA), Yale (MPH), and the University of South Carolina (PhD). Across every role, Dr. Mandelbaum is driven by one mission: turning research into real-world impact for healthier, stronger communities.

Other Roles & Accomplishments

Dr. Mandelbaum’s leadership spans community, civic, and policy arenas. These roles highlight her deep commitment to advancing health, strengthening communities, and shaping effective policies that create lasting impact.

Appointed leadership roles

  • Member, Long-term Seacoast Commission on Drinking Water (since 2025)

  • Board member, New Hampshire Public Health Association (since 2024)

  • Member, Legislative Administration Committee (2024-2025)

Legislative fellowships

  • Future Caucus Prenatal-to-Three Innovation Fellow (2024-2026)

  • Fellow, Young Elected Officials (YEO) Jordan-Huerta Women's Leadership Program (2025)

Community leadership

  • Member, Blue Hampshire Task Force (since 2025)

  • Trustee, Portsmouth Public Library (since 2023)

Next generation leadership

  • Fellow, Great Bay Changemaker Bootcamp (2025)

  • Graduate, Council of State Governments Robert J. Thompson Eastern Leadership Academy (2025)

  • Fellow, New Leaders Council New Hampshire Institute (2025)

Recognized for Impact — Locally & Nationally