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Dan Duffy

b. 1966

American politician

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About Dan Duffy

Born 1966. Dan Duffy is an American politician.

Dan Duffy (born March 11, 1966) is a former Republican member of the Illinois Senate. He represented the 26th Senate District which includes Barrington, Barrington Hills, North Barrington, Libertyville, Mundelein, Lake Zurich, Fox River Grove, Lakewood Hills, Cary, Hawthorn Woods, Lake in the Hills, Cuba and Kildeer.

On September 10, 2015, Duffy announced he would not be running for a third term. He resigned after his endorsed successor won the Republican primary.

Early life, education, and career Duffy grew up on the south side of Chicago, the youngest of 11 children. He graduated from Augustana College in Rock Island, Illinois with a bachelor's degree in speech communication. After college, he moved to the northwest suburbs where he eventually moved to Lake Barrington with his wife Kris, with whom he has five children. Duffy became a board member of the National Federation of Independent Businesses Leadership Council (NFIB) of Illinois and became the Chairman of the Lake and Cook County Area Action Council for independent businesses. He was a co-owner of Effective Data, Inc. located in Schaumburg, Illinois.

Illinois Senate Duffy was elected to the Illinois Senate in 2008 defeating then-Round Lake Mayor Bill Gentes by sixteen points in what was originally seen to be a competitive race. He succeeded William E. Peterson, who retired after sixteen years in the Illinois Senate.

Duffy resigned from the Illinois Senate on April 3, 2016 in order to take the position of president and CEO of Prevent Childhood Abuse America.

Committee assignments He serves on the following committees: Appropriations I, Commerce & Economic Development, Insurance, Labor, Public Health and the Committee on Pension Investments. He is also a past member of the Illinois Legislative Research Unit.

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Important facts

Birth century
Occupation
Nationality
Education
Augustana College, Mount Carmel High School, Augustana College (Illinois)
Positions held
Member of the State Senate of Illinois

People in Dan Duffy's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Dan Duffy's

Frequently asked questions

Who is Dan Duffy?

American politician

When was Dan Duffy born?

Dan Duffy was born on 11 March 1966 in Chicago.

What is Dan Duffy's occupation?

Dan Duffy is a politician.

What nationality is Dan Duffy?

Dan Duffy is American.

Sources & further reading

· Wikipedia: Dan Duffy

· Wikidata: Q5213416

· DBpedia: Dan Duffy

Cite this page

APA: Biography.guide. (2026). Dan Duffy. https://biography.guide/dan-duffy/

MLA: "Dan Duffy." Biography.guide, https://biography.guide/dan-duffy/.

Chicago: "Dan Duffy." Biography.guide. https://biography.guide/dan-duffy/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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