Spiros Mantzavinos
District 7
Sen. Mantzavinos got his first taste of government service as a legislative assistant and research analyst with the Delaware Senate in the 1990s. He later gained first-hand experience with economic development issues as a vice president of the New Castle County Chamber of Commerce. Subsequently, he worked as a media relations professional for some of Delaware’s largest employers before launching his own communications consulting firm The Mantzavinos Group.
In addition to running his own small business, Sen. Mantzavinos has taught courses as an adjunct instructor at Wilmington University. He previously served as a member of the Parish Council at Holy Trinity Greek Orthodox Church in Wilmington, an organizer of the annual Holy Trinity Greek Festival and volunteered as a church youth group advisor. He also previously served on the board of the Claymont Community Center, as treasurer of the Delaware Press Association, as president of the Delaware Chapter of the Public Relations Society of America and as Sunday school teacher.
He currently serves as chair of the Senate Banking, Business, Insurance & Technology Committee, vice chair of the Senate Veterans Affairs Committee, and a member of the Senate Environment, Energy & Transportation and Rules & Ethics committees. He also holds a seat on the Joint Capital Improvement Committee.
Sen. Mantzavinos lives in the Westgate Farms neighborhood with his wife Megan and their daughters Sophia and Katherine.
Family
Wife: Megan; Daughters: Sophia and Katherine
Education
James Caldwell High School, Class of 1986; Bachelor’s degree, Economics and Political Science, Muhlenberg College, 1990; Master’s degree, Political Science, University of Delaware, 1994
Occupation
Full-time legislator
Legislative Service:
Senate, 2020 to present
Committees:
- Banking, Business, Insurance & Technology, Chair
- Veterans Affairs, Vice-Chair
- Environment, Energy & Transportation, Member
- Joint Capital Improvement, Member
- Rules and Ethics, Member
Legislative Highlights
Senate Bill 156
Medical debt can happen to anyone at any time. During the 152nd General Assembly, Sen. Spiros Mantzavinos and Rep. Kim Williams passed Senate Bill 8 and 99 that offered reasonable payment plans to patients, and also limited the sale of […]
Senate Bill 267
As chair of the Senate Banking, Business & Insurance Committee, Sen. Mantzavinos successfully passed legislation to help make prescription drugs more affordable for thousands of Delawareans. Passed unanimously by both the Delaware Senate and House, Senate Bill 267 set new […]
House Bill 54
The Office of Suicide Prevention was established in 2025 through the passage House Bill 54. Introduced by Rep. Eric Morrison and co-sponsored by Sen. Spiros Mantzavinos and Speaker Melissa Minor-Brown, this legislation creates a comprehensive, centralized, and proactive approach to […]
Senate Bill 80
Strategic lawsuits against public participation (SLAPPs) commonly result in defamation, invasion of privacy, and nuisance complaints that weaponize legal action. These lawsuits can stifle public participation in the political process, which heavily affects how state government operates. With bipartisan support […]