Background
He was born and raised in Norwalk and graduated from Norwalk High School in 1989.
He was born and raised in Norwalk and graduated from Norwalk High School in 1989.
He attended Lynchburg College, and earned a Bachelor of Surgery in Political Science in 1993.
He is currently Majority Leader of the Connecticut Senate, and serves as chair of the Executive and Legislative Nominations Committee and vice chair of the Legislative Management Committee. Duff is a fifth generation Norwalk resident. He worked as a substitute teacher for the Norwalk Public Schools from 1993 to 1995.
He has worked as a Realtor for William Pitt Sotheby"s International Realty since 1995.
While in college Duff was a student senator, and an intern for United States Senator Christopher J. Dodd. He was a field coordinator for the John B. Larson for Governor Campaign in 1994.
He was a campaign manager in the Norwalk mayoral race in 1995. In 2001, he ran in a special election for the seat in the Connecticut House of Representatives left vacant by Alex Knopp when he took office as mayor of Norwalk.
He beat Republican Kevin Fitzgerald by 281 votes (1210 -929).
He was re-elected in the 2002 general election. In 2004, Duff sought the State Senate seat left open by Republican Robert Genuario who became Government. M. Jodi Rell"s budget chief
He ran against Republican Jeff Konspore, chairman of the Norwalk school board.
As a state senator, and prior to becoming Majority Leader in 2015, Duff was Deputy Majority Whip (2005-2006), Majority Whip (2007-2008), Assistant Majority Leader, (2009-2012), and Assistant President Pro Tempore, (2013–2014)
Member, Maritime Aquarium at Norwalk, 2007–present
Board Member, Mid Fairfield County Child Guidance Center, 2005–present
Board Member, Elderhouse Adult Day Care Center, 2002–present
Board Member, Human Service Council, 2002–present
Board Member, Norwalk Tree Alliance, 2002–present
Member, Advisory Board, Norwalk Land Trust, 2001–present
Member, Mid Fairfield Board of Realtors, 1995–present
Board Member, Norwalk Economic Opportunity Now, 2008
Member, Emerging Leaders" Conference, State Legislative Leaders Foundation, 2006
Member, Fleming Fellows Leadership Institute of the Center for Policy Alternatives, 2004.
He previously served as a member of the Connecticut House of Representatives, representing the 137th District. As a state Representative, Duff served as the House vice-chair of the Energy & Technology Committee, and as a member of the Banks, Higher Education & Advancement Committee and the Select Committee on Housing.