Candidate, Governor of Kansas, 2018

Candidate, United States Senate, 2014

Candidate, United States Senate, 2008

Associate, McKinsey & Company, 1991-1994

Founder, Combat Brands, Limited Liability Company, 2012-present

Managing Director, Denali Partners, Limited Liability Company, 2004-present

Founder, Environmental Lighting Concepts, 1992-present

Managing Member, Exemplar Holdings Limited Liability Company

Executive Vice President of Strategy, Great Plains Energy, 2001-2002

President/Chief Executive Officer, KLT, Incorporated, 2000-2002

Chief Executive Officer, Custom Energy, 1997-1999

Co-Founder, Common Sense Coalition, 2010-present

Member, Boys' State Program, American Legion, present

Former Member, Glen for Cystic Fibrosis Gala Board

Former Member, Kansas City Zoo Board