Secretary, Democratic Conference, United States Senate, 2017-present

Senator, United States Senate, 2012-present

Candidate, United States Senate, 2018

Representative, United States House of Representatives, District 2, 1998-2012

Assembly Member, Wisconsin State Assembly, 1993-1999

Member, Dane County Board of Supervisors, 1986-1994

Alderwoman, Madison City Council, 1986

Member, Appropriations

Member, Commerce, Science and Transportation

Member, Health, Education, Labor and Pensions

Member, Subcommittee on Agriculture, Rural Development, Food and Drug Administration, and Related Agencies

Member, Subcommittee on Communications, Technology, Innovation and the Internet

Member, Subcommittee on Defense

Ranking Member, Subcommittee on Employment and Workplace Safety

Member, Subcommittee on Homeland Security

Member, Subcommittee on Labor, Health and Human Services, Education, and Related Agencies

Member, Subcommittee on Manufacturing, Trade, and Consumer Protection

Member, Subcommittee on Military Construction, Veterans Affairs, and Related Agencies

Member, Subcommittee on Primary Health and Retirement Security

Ranking Member, Subcommittee on Science, Oceans, Fisheries, and Weather

Member, Subcommittee on Transportation and Safety

Member, 21st Century Health Care Caucus

Member, Addiction, Treatment, and Recovery Caucus

Member, Afterschool Caucus

Former Member, Aviation Operations, Safety, and Security Subcommittee, United States Senate

Member, Bike Caucus

Member, Bipartisan Congressional Task Force on Alzheimer's Disease

Member, Bipartisan Disabilities Caucus

Former Member, Budget Committee, United States Senate

Member, Challenge Program Caucus

Member, Child Care Caucus

Member, Chronic Obstructive Pulmonary Disease Caucus

Member, Climate Change Caucus

Member, Complementary and Alternative Medicine Caucus

Member, Congressional Arts Caucus

Member, Congressional Asian Pacific American Caucus

Member, Congressional Brain Injury Task Force

Member, Congressional Caucus on Community Health Centers

Member, Congressional Coalition for Autism Research and Education

Member, Congressional Coalition on Adoption

Member, Congressional Farmer Co-op Caucus

Member, Congressional Fitness Caucus

Member, Congressional Friends of Animals

Member, Congressional Hellenic Caucus

Member, Congressional Human Rights Caucus

Member, Congressional Hunger Caucus

Member, Congressional Kidney Caucus

Member, Congressional Labor and Working Families Caucus

Co-Chair, Congressional Lesbian Gay Bisexual Transgender Equality Caucus

Co-Founder, Congressional Lesbian Gay Bisexual Transgender Equality Caucus

Member, Congressional Mental Health Caucus

Member, Congressional Nurse Caucus

Member, Congressional Prevention Coalition

Member, Congressional Soccer Caucus

Member, Congressional Spina Bifida Caucus

Member, Congressional Study Group on Germany

Member, Congressional Vision Caucus

Member, Congressional Wine Caucus

Member, Congressional Working Families Labor Caucus

Member, Cuba Working Group

Member, Diabetes Caucus

Member, Elimination of Health Disparities Congressional Caucus

Member, Equality Caucus

Member, Fairness Caucus

Member, Fetal Alcohol Spectrum Disorders Caucus

Member, Food Safety Caucus

Member, Friends of Norway Caucus

Member, Friends of Switzerland Caucus Co-Chair

Member, Future of American Media Caucus

Member, Generic Drug Equity Caucus

Vice Chair, Health & Medicare Task Force

Former Member, Homeland Security and Governmental Affairs Committee, United States Senate

Member, House CAFTA Action Caucus

Member, House Native American Caucus

Member, House Soils Caucus

Member, Humanities Caucus

Member, International Conservation Caucus

Member, International Human Rights Caucus

Member, International Workers Rights Caucus

Member, Livable Communities Task Force

Member, National Guard and Reserve Components Caucus

Former Ranking Member, Oceans, Atmosphere, Fisheries, and Coast Guard Subcommittee, United States Senate

Member, Organic Caucus

Member, Out of Iraq Caucus

Member, Parkinson's Working Group

Former Member, Permanent Subcommittee on Investigations, United States Senate

Member, Pro-Choice Caucus

Member, Progressive Caucus

Member, Renewable Energy and Energy Efficiency Caucus

Member, Rural Health Care Coalition

Member, Science & Math Education Caucus

Former Member, Space, Science, and Competitiveness Subcommittee, United States Senate

Member, Spina Bifida Caucus

Former Member, Subcommittee on Commerce, Justice, Science, and Related Agencies, United States Senate

Former Ranking Member, Subcommittee on Federal Spending Oversight and Emergency Management, United States Senate

Former Member, Surface Transportation and Merchant Marine Infrastructure, Safety and Security Subcommittee, United States Senate

Member, USO Congressional Caucus

Member, Women's Caucus

Member, Women's Health Research Coalition

Member, Zoo and Aquarium Caucus

Lawyer, Private Practice

Member, American Civil Liberties Union of Wisconsin (ACLU).

Former Member, Dane County Task Force on Aquired Immune Deficiency Syndrome (AIDS)

Member, International Network of Lesbian and Gay Officials

Member, National Association for the Advancement of Colored People (NAACP)

Member, National Organization for Women (NOW)

Member, Wisconsin Citizen Action

Astrological Sign:

Aquarius

Hobbies or Special Talents:

Sewing, Volleyball