Senator, Missouri State Senate, District 31, 2012-2021

Representative, Missouri State House of Representatives, 2003-2010

Candidate, Missouri State Senate, District 28, 2010

Former Member, Children and Families Committee, Missouri State House of Representatives

Former Vice Chair, Commerce, Consumer Protection, Energy, and the Environment Committee, Missouri State Senate

Former Member, Education Committee, Missouri State Senate

Former Member, Government Accountability Committee, Missouri State Senate

Former Chair, Government Reform Committee, Missouri State Senate

Former Member, Gubernatorial Appointments Committee, Missouri State Senate

Former Member, International Trade and Job Creation Committee, Missouri State House of Representatives

Former Member, Judiciary and Civil and Criminal Jurisprudence Committee, Missouri State Senate

Former Member, Tax Reform Committee, Missouri State House of Representatives

Former Member, Utilities Committee, Missouri State House of Representatives

Former Member, Ways and Means Committee, Missouri State Senate

Consultant/Proprietor, Character Returns, 1994-present

Consultant, Petroleum Engineering, 1994-present

Consultant, Rollarini Engineering, 1996-2000

Executive/Management, Texaco, Incorporated, 1981-1994

Member, Air Force Academy Association of Graduates, present

Member, Aircraft Owners and Pilots Association, present

Member, Barton County Farm Bureau, present

Member, Excel II, Barton County, present

Member, Excel, Barton County, present

Member, Greenfield Chamber of Commerce, present

Member, Gun Owners of America, present

Member, Lamar First Baptist Church, present

Member, Missouri Farm Bureau, present

Member, National Rifle Association (NRA), present

Member, Society of Petroleum Engineers (SPE) Association for Information and Media Equipment, present

Member, Veterans of Foreign Wars Men’s Auxiliary, present

Former Executive Director, Missouri Fair Tax

Awards:

Legislator of the year, Missouri Republican Assembly, 2010
William Wilberforce Award, Concerned Women for America, Missouri Chapter, 2009
Legislator of the year, Missouri Cable Telecommunications Association, 2008
Legislator of the year, Missouri Energy Development Association, 2008
Legislator of the year, American Legislative Exchange Council, 2006