|Member of the Massachusetts House of Representatives|
from the 7th Plymouth district
January 5, 2011 – January 3, 2019
|Preceded by||Allen McCarthy|
|Succeeded by||Alyson Sullivan|
|Born||April 23, 1969|
Bethlehem, Pennsylvania, U.S.
|Political party||Republican (2009–present)|
|Education||Lehigh University (BA)|
Geoffrey G. Diehl (born April 23, 1969) is a Republican politician who represented the 7th Plymouth District (Abington, Whitman, and East Bridgewater) in the Massachusetts House of Representatives. He was a member of the Joint Committee on Housing, House Committee on Global Warming and Climate Change, and the House Committee on Technology and Intergovernmental Affairs. Diehl also served as a member of the House Library Caucus and Regional School Caucus. On November 2, 2010, he upset incumbent Allen McCarthy and was sworn in on January 5, 2011. He served as Donald Trump's Massachusetts campaign co-chair during the 2016 presidential election.
Geoff Diehl was born at St. Luke's Hospital in Bethlehem, Pennsylvania. He attended Lake Forest Academy and graduated from Lehigh University in 1992 with a double major in Government and Urban Studies. After graduating, he moved to New York City and worked in Advertising, and would later work television production in Los Angeles, California. He moved to his wife's home town of Whitman, Massachusetts in 2001 where he worked as an account executive in the sign industry. Diehl registered to vote as a Democrat in 1996 and supported various Democratic politicians throughout the late 1990s and early 2000s, including Massachusetts Attorney General Tom Reilly and Vice President Joe Biden before later registering as a Republican. Prior to his election, Diehl was a member of the Whitman Finance Committee, and remains a member of the MetroSouth Chamber of Commerce, and South Shore Chamber of Commerce. Diehl is also an Eagle Scout. Diehl and his wife, KathyJo, have two daughters. They live in Whitman, Massachusetts.
Diehl began his campaign for representative of the 7th Plymouth District on February 22, 2010. Diehl received support from previous representatives from the same district including Andrew Card, Michael Sullivan, Ned Kirby (Also former State Senator, County Commissioner, and Judge), and Ronald Whitney. Diehl also received the endorsement of U.S. Senator Scott Brown.
Tank the Gas Tax Movement
Geoff Diehl was a lead supporter of the successful ballot question campaign to repeal the Massachusetts gas tax indexing law in 2014.
U.S. Senate election 2018
In April 2017, Diehl announced his intent to challenge Elizabeth Warren for her U.S. Senate seat. In the Republican primary election held on September 4, 2018, Diehl finished first in a field of three candidates. The general election was held on November 6, 2018. Senator Elizabeth Warren defeated Diehl by twenty-four percentage points.
|Republican||Geoff Diehl (Incumbent)||17,088||99.20|
|Republican||Geoff Diehl (Incumbent)||11,528||99.20|
|Republican||Geoff Diehl (Incumbent)||10,942||54.20|
|Democratic||Robert L. Toomey, Jr.||9,232||45.70|
|Democratic||Allen J. McCarthy||8,132||48.72|
- "Representative Geoff Diehl". www.malegislature.gov.
- "Representative Geoff Diehl". malegislature.gov. Retrieved 8 October 2018.
- Young, Shannon (August 11, 2016). "Massachusetts Democrats urge Geoff Diehl to resign as Donald Trump's state campaign co-chair". masslive.com.
- Phillips, Frank. "GOP candidate Geoff Diehl once voted true blue". Boston Globe. Retrieved 12 April 2018.
- Preer, Robert. "Challengers, not all GOP, seek upsets". Boston Globe. Retrieved 9 September 2012.
- Matt Murphy. "Rep. Diehl leads way on gas tax question". wickedlocal.com. Retrieved 8 October 2018.
- O'Sullivan, Jim (April 6, 2017). "GOP's Geoff Diehl sets stage for challenge to Elizabeth Warren". The Boston Globe. Retrieved July 11, 2017.
- "It's Official: Republican Geoff Diehl Is Running To Unseat Senator Elizabeth Warren". 2 August 2017.
- "Massachusetts Primary Election Results". The New York Times. September 4, 2018. Retrieved September 4, 2018.
- "PD43+ - 2015 State Senate Special General Election 2nd Plymouth and Bristol District". Retrieved 8 October 2018.
- "PD43+ - Search Elections". Retrieved 8 October 2018.
|Massachusetts House of Representatives|
| Member of the Massachusetts House of Representatives
from the 7th Plymouth district
|Party political offices|
| Republican nominee for U.S. Senator from Massachusetts