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Delaware Senate Democrats

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Spiros Mantzavinos

District 7

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Spiros Mantzavinos

Sen. Spiros Mantzavinos represents the Seventh Senate District, which encompasses Elsmere, Greenbank, Marshallton, the Lancaster Pike/Newport Gap Pike areas and portions of Newport.

Raised in Caldwell, New Jersey, Sen. Mantzavinos graduated from James Caldwell High School. He later earned a bachelors’ degrees in economics and political science from Muhlenberg College in Allentown, Pennsylvania, and a master’s degree in political science from the University of Delaware.

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 Elections & Government Affairs, Environment, Energy & Transportation and Labor 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.


Wife: Megan; Daughters: Sophia and Katherine


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


Full-time legislator

Legislative Service:

Senate, 2020 to present


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Legislative Highlights

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 […]

Senate Bill 267

Senate Bill 7 (S)

To better protect our communities from crime, Sen. Mantzavinos passed legislation to prevent more defendants accused of dangerous and violent offenses from getting out of jail without bail before their scheduled trials. Passed with bipartisan support, Senate Bill 7 (S) […]

Senate Bill 7 (S)

Senate Bill 211

A long-standing champion for Delaware seniors, Sen. Mantzavinos passed legislation that protects older workers from experiencing age-based discrimination during their search for gainful employment. Introduced on the first day of the 2022 legislative session, Senate Bill 211 specifically prohibits employers […]

Senate Bill 211

Senate Bill 188 (S)

As a member of the Senate Veterans Affairs Committee, Sen. Mantzavinos passed legislation that is providing tax relief to thousands of retired service members who live in Delaware. Passed unanimously by the Senate and the House, Senate Bill 188 (S) […]

Senate Bill 188 (S)