David T. Vieira was born and raised in Teaticket, MA.  He is married to Rebecca Vieira, and they reside in East Falmouth with their daughter Emma Marie.  David graduated as the Roll of Honor student from Falmouth High School in 1993, received his BA in Communications, Legal Institutions, Economics, and Government with a minor in Public Administration from The American University in Washington, DC in 1997 and earned his Masters of Public Administration from Suffolk University in Boston in 2004.

     David has served as Falmouth Town Moderator since 1998 when he was elected the youngest town moderator in Falmouth's history and reportedly the second youngest in the history of the Commonwealth.

     As a deputy sheriff, David was Director of the Office of Intergovernmental Relations & Citizen Corps for Barnstable County Sheriff James M. Cummings.  Following the terrorist attacks of September 11, 2001 he was an appointed member to the National Neighborhood Watch Advisory Council, the US Department of Justice's Terrorism Awareness and Prevention Program working group, and the US Department of Homeland Security's National Citizen Corps Deployment working group.  David has also served as a disaster assistance employee with the Federal Emergency Management Agency.

     In 2004, David became a founding trustee and vice chairman of the Marstons Mills East Horace Mann Charter Public School.  David, an Eagle Scout, has also served as the Vice President of the Cape Cod & Islands Council of the Boy Scouts of America, as director of the Community Leadership Institute of Cape Cod and the Islands, and as a trustee of LIFE - Living Independently ForEver, Inc a nonprofit organization serving adults with learning disabilities.

     On January 5^th, 2011, David was sworn in as member of the Massachusetts House of Representatives for the 3rd Barnstable District. Immediately upon taking office he was appointed to the Joint Committee on Education, Joint Committee on Public Safety and Homeland Security (ranking member), and the Joint Committee on Tourism, Arts and Cultural Development.  Shortly after being sworn in, David was appointed to the Special Commission on Sheriff’s Offices to study the transition of County Sheriffs to the State system.  In December 2011 he was appointed to the Special Commission for Civic Engagement and Learning.

     Rep. Vieira currently serves as the Ranking House member of the Joint Committee on Bonding, Capital Expenditures and State Assets; Ranking House Member of the Joint Committee on Public Safety & Homeland Security; member of the Joint Committee on COVID-19 & Emergency Preparedness and Management; member of the Joint Committee on Tourism, Arts and Cultural Development; a founding member of the Massachusetts Military Asset & Security Strategy Task Force; member of the Special Commission Relative to the Seal & Motto of the Commonwealth; member of the Special Commission on the 250th Anniversary of the American Revolution; member of the Deborah Samson Memorial Commission (established by legislation Rep. Vieira introduced), and member of the Commonwealth's Debt Affordability Committee.  He is also founder of the Massachusetts Legislative Sportsmen's Caucus and currently serves as House Co-Chair of the caucus. 

     In his free time David enjoys camping, mountain climbing, kayaking, and hiking.  He is also known to hit the dance floor occasionally to swing dance to the big band tunes of Stage Door Canteen.