Representative, United States House of Representatives, Illinois, District 4, 2019-present

Candidate, United States House of Representatives, Illinois, District 4, 2022, 2024, 2026

Commissioner, Cook County Board, District 7, 2011-2019

Candidate, Mayor Of Chicago, 2015

Senator, Illinois State Senate, District 1, 1992-1998

Alderman, Chicago, District 22nd Ward, 1986-1993

Member, Committee on Transportation and Infrastructure

Member, Committee on the Judiciary

Member, Subcommittee on Aviation

Member, Subcommittee on Highways and Transit

Member, Subcommittee on Immigration Integrity, Security, and Enforcement

Member, Subcommittee on Railroads, Pipelines, and Hazardous Materials

Member, Subcommittee on The Administrative State, Regulatory Reform, and Antitrust

Member, Congressional Hispanic Caucus, present

Member, Congressional Lesbian, Gay, Bisexual, Transexual (LGBT) Equality Caucus, present

Member, Congressional Progressive Caucus, present

Former Member, House Financial Services Committee

Former Member, House Financial Services Subcommittee on National Security, International Development and Monetary Policy

Former Member, House Financial Services Subcommittee on Oversight and Investigations

Former Member, House Natural Resources Subcommittee on Indian and Insular Affairs

Former Member, House Natural Resources Subcommittee on Oversight and Investigations

Former Member, Subcommittee on Aviation, United States House of Representatives

Founder, Latino Action Research Network, 2005-present

Former Fellow, De Paul University

Paralegal, Legal Assistance Foundation of Chicago

Adjunct Professor, Political Science and Latino and Latin American Studies, University of Illinois at Chicago

Deputy Water Commissioner, City of Chicago, 1984-1986

Assistant Director, Little Village Neighborhood Housing Service, 1980-1984

Founder/Executive Director, Little Village Community Development Corporation (Enlace Chicago), 1998-present

Board Member, Latino Policy Forum, present

Former Chair, Board of the Woods Fund of Chicago

Chair, Business and Economic Development Committee, Cook County

Chair, Criminal Justice Committee, Cook Couny

Member, National Association of Latino Elected & Appointed Officials

Board Member, The Center on Leadership Innovation (TCLI)

Member, Democratic Committee, District 22nd Ward, 1984-2000