Dave Koehler Antonio Munoz Majority Caucus Chair: Mattie Hunter Majority Caucus Whips: Omar Aquino Michael Hastings Napoleon Harris III Julie Morrison Minority Minority Leader: Dan McConchie Deputy Minority Leader: Sue Rezin Assistant Minority Leaders: Don DeWitte Steve McClure Jason Plummer Chapin Rose Minority Caucus Chair: Jason Barickman Minority Caucus Whips: Dave Syverson Jil Tracy Officers Secretary of the Senate: Tim Anderson Assistant Secretary of the Senate: Scott Kaiser Sergeant-at-Arms: Joe Dominguez Assistant Sergeant-at-Arms: Dirk R. Eilers Members In 1924, Florence Fifer Bohrer became the body's first female member and Adelbert H. Roberts became its first African American member. In 1977, Earlean Collins became the first African American woman to serve in the Illinois Senate. Barack Obama, later the first African-American President of the United States, served in the Illinois Senate from 1997 to 2004. , the 103rd General Assembly of the Illinois Senate consists of the following members: Ɨ Legislator was appointed to the Illinois Senate prior to initial election. ƗƗ Legislator was appointed to the Illinois Senate after being elected, but prior to inauguration day of the General Assembly to which they were elected. Past composition of the Senate References External links Illinois General Assembly – Senate official government website Illinois Senate Republicans official party website Illinois Senate Democrats official party website Legislature of Illinois at Project Vote Smart Senate State upper houses in the United States 1818 establishments in Illinois Territory