President, Missouri State Board of Education, 2015-present

Member, Missouri State Board of Education, 2012-present

Former President Pro Tempore, Missouri State Senate

Majority Floor Leader, Missouri State Senate

Senator, Missouri State Senate, 2002-2010

Minority Whip, Missouri State House of Representatives, 1996-2002

Representative, Missouri State House of Representatives, 1990-2002

Former Chair, Administration Committee, Missouri State Senate

Former Chair, Gubernatorial Appointments Committee, Missouri State Senate

Former Member, Missouri Commission on the Future of Higher Education

Former Member, National Association of Sportsmen Legislators

Former Member, Rules, Joint Rules, Resolutions and Ethics Committee, Missouri State Senate

President/Chief Executive Officer, Truman Medical Centers, 2010-present

Manager/Sales, Real Estate, 1990-1993

Former Member, Arts Fund Drive, Allied Arts Council

Former Assistant Scoutmaster, Boy Scouts of America, Troop 216

Former Member, Buchanan County Republican Club

Former Executive Council, Business and Technology College

Former Board Member, Children's Healthcare Clinic

Former Member/Former President, East Side Lions Club

Former Member, Futures Advisory Board

Former Member, Healthy Communities

Former Board of Trustees Member, Missouri Arts Council Trust Fund

Former Associate Member, Missouri National Guard Association

Former Board Member, Missouri Rural Health Association

Former Member, Moila Shrine Temple

Former Member, Northwest Agenda

Former Board Member, Northwest Missouri Area Health Education Center

Former Board Member, Pony Express Boy Scouts Council

Former Advisory Board Member, Project Discovery

Former Member, Success by Six Board

Former Member, Tribe of Mic-O-Say

President, Mid-Buchanan R-V Board of Education, 1990-1991