James Cantwell

James "Jim" Cantwell (born October 25, 1966) is the Massachusetts State Representative for the 4th Plymouth district, which represents Marshfield and precincts 1, 2, 4, 5, & 6 of Scituate. Cantwell has held this seat since 2008.

Cantwell, a native of Marshfield, graduated from Marshfield High School in 1984. He completed his undergraduate degree from Boston College in 1988. He received a degree from Boston College Law School in 1994.

After graduating from law school, Cantwell served as an assistant district attorney for Norfolk county. He was also elected to the Board of Selectmen in Marshfield in 1996, and held that position for three years. After his tenure at the Norfolk county District Attorney's office, Cantwell took a position as a staff attorney for United States Representative William Delahunt.

Cantwell is also a co-owner and partner of Graeber, Davis and Cantwell, a small general-practice law firm in Quincy, Massachusetts.

Cantwell made his first bid for the State House in 2000 after his tenure as a Marshfield selectman. Cantwell was the Democratic candidate for the Plymouth and Norfolk State Senate seat, running against Republican incumbent Robert L. Hedlund. Cantwell was defeated in that race. Cantwell then ran for the 4th Plymouth State Representative seat in 2008 following the retirement of the incumbent, Democrat Frank Hynes. Cantwell won a 3-way primary race to face Marshfield independent candidate John Valianti in the general election. Cantwell won the election with 58% of the vote. He was also reelected in 2010, 2012, and 2014.

As a State Representative, Cantwell sits on the House Committee on Bonding, Capital Expenditures and State Assets, the Joint Committee on Revenue, and the Joint Committee on Financial Services. His legislative achievements include helping to create the Seafood-Marketing Committee and helping to get the Department of Transportation to begin a widening project for Route 139 in Marshfield. Cantwell also voted for the 2011 casino gaming bill.