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Dan CroninREPRepublican American politician
Years of Age
Years of Experience
ILResidence (state)

Daniel J. Cronin (born November 7, 1959) is an American politician and attorney who served as county board chairman of DuPage County, Illinois from December 2010 until December 2022. A member of the Republican Party, he previously served in the Illinois General Assembly from 1991 through 2010. Cronin was born in Elmhurst, Illinois. He received a bachelor's degree from Northwestern University and later graduated from the Loyola University Chicago School of Law. Cronin spent his early legal career as counsel for the Illinois House of Representatives from 1985 to 1987, then as a prosecutor in DuPage County from 1987 to 1989. Since 1991, he has worked in private practice. He comes from a family that has been politically prominent in DuPage. His father, a sports physician who ran his practice and owned a medical office building in Elmhurst, provided financing and support for Dan's campaigns. Dan's brother, an attorney, managed campaigns for Republican candidates at the state and county levels in 1994, then ran unsuccessfully for DuPage state's attorney during the 1996 elections. His sister, an accountant, previously served as city treasurer of Elmhurst and later as a member of the Illinois Liquor Control Commission; she was elected to the DuPage County Board in 2022.

Education4 - 4 of 2
Loyola University
Northwestern University
Past Positions1 - 5 of 5
Illinois State Senate
1993 - 2010
Illinois State House
1991 - 1993
Republican Precinct
1990 - Current
Power and Cronin Limited
1992 - Current
DuPage County State's Attorney Office
1985 - 1989
Other Experience1 - 8 of 8
Board Member
Community Bank of Elmhurst
1996 - 2006
Board Member
Fenwick High School
2000 - 2004
Board Member
Joseph Academy
2000 - Current
Board of Directors
Ray Graham Association for People with Disabilities
1996 - Current
Illinois State Bar Association
1992 - Current
National Trial Team, Loyola University School of Law
Sierra Club
Illinois Chamber of Commerce