Seth Michael Magaziner (/ˈmæɡəziːnər/ MAG-ə-zee-nər;[2] born July 22, 1983) is an American investment professional and politician serving as the U.S. representative for Rhode Island's 2nd congressional district since 2023.

[8][18] Magaziner serves on the board of directors of Crossroads Rhode Island, a homeless service organization.

[5] He won the Democratic nomination in the September 9 primary election, defeating former treasurer Frank Caprio.

[22] In June 2015, Magaziner launched a transparency initiative for the Employees' Retirement System of Rhode Island (ERSRI).

[23] In 2015, the treasurer's office announced it was pursuing two class-action lawsuits against fossil fuel industry companies BP and Plains All American[24] for oil spills that allegedly harmed investors and the environment.

In February 2016, Magaziner was selected as chair of the Financial Literacy Committee for the National Association of State Treasurers.

[25] On September 14, 2021, Magaziner announced his candidacy in the 2022 Rhode Island gubernatorial election, focusing on abortion rights, clean energy, reducing gun violence, education, and mandatory coronavirus vaccination for all state and school employees.

[29] On November 5th 2024, Magaziner won re-election to his house seat against Republican Steve Corvi by a vote of 153,439 (58%) to 109,381 (42%).

1367 on July 24, 2024, which created a task force on the attempted assassination of former president Donald Trump.