Member, Natural Resources Committee, United States House of Representatives, 1996-2010
Member, 21st Century Health Care Caucus
Member, Alzheimer's Task Force
Member, Army Corps of Engineers Reform Caucus
Member, Arts Caucus
Member, Autism Caucus
Member, Bicycle Caucus
Member, Community College Caucus
Member, Congressional 21st Century Health Care Caucus
Member, Congressional Automotive Performance and Motorsports Caucus
Co-Chair, Congressional Caucus on the European Union
Member, Congressional Caucus on the Mississippi River
Member, Congressional Competitiveness Caucus
Member, Congressional Dairy Farmers Caucus
Co-Chair, Congressional Fitness Caucus
Vice-Chair, Congressional Native American Caucus
Co-Chair, Congressional Organic Caucus
Founder, Congressional Organic Caucus
Member, Congressional Rural Caucus
Member, Congressional Sportsmen's Caucus
Member, Congressional Wildlife Refuge Caucus
Member, Democratic Homeland Security Task Force
Member, Diabetes Caucus
Member, Disability Caucus
Member, Food Safety Caucus
Member, House Centrist Coalition
Member, House Manufacturing Caucus
Vice-Chair, House Renewable Energy and Energy Efficiency Caucus
Member, House Rural Health Care Coalition (RHCC)
Member, House Science, Technology, Engineering and Mathematics (STEM) Education Caucus
Member, Mental Health Caucus
Member, Methamphetamines Caucus
Co-Chair, National Parks Caucus
Founder, National Parks Caucus
Member, National Wildlife Refuge Caucus
Member, Native American Caucus
Member, New Dem IDEA Task Force
Member, Public Broadcasting Caucus
Co-Chair, Quality Care Coalition
Founder, Quality Care Coalition
Member, Rural Education Caucus
Member, Rural Health Care Coalition Steering Committee
Member, Rural Veterans Caucus
Member, STOP Driving Under the Influence Caucus
Co-Chair, Task Force on Childhood Obesity
Member, Third Congressional District Democratic Party
Co-Chair, Upper Mississippi Caucus
Co-Chair, Upper Mississippi River Basin Congressional Task Force
Founder, Upper Mississippi River Basin Congressional Task Force
Member, Upper Mississippi River Congressional Caucus
Co-Chair, Wellness Caucus
Founder, Wellness Caucus
Former Co-Chair, Congressional Sportsmen's Caucus

Board Member, Coulee Council on Alcohol and Other Drug Abuse
Member, Immanuel Lutheran Church
Board Member, La Crosse Boys and Girls Club
Board Member, La Crosse Optimists
Member, La Crosse Young Men's Christian Association (YMCA)
Vice Chair, New Democrat Coalition