David Jackson began his career in government relations as Missouri's youngest registered lobbyist at age 19 and has negotiated more than 150 public policy changes over the last 14 years. Prior to joining Gamble & Schlemeier in 2016, David served as the managing partner of the Gate Way Group, the lobbying division of a national media and public relations firm based in St. Louis. In 2014, the St. Louis Business Journal named David to their list of top 30 Under 30 business leaders in the region. 

David received a bachelor’s degree in Business Administration from Westminster College and an Executive MBA from Olin Business School at Washington University in St. Louis.

David serves on Westminster College Board of Trustees and volunteers on the Board of Directors for Criminal Justice Ministry, a criminal justice reentry non-profit in St. Louis. He lives in St. Louis County with wife Claire Vatterott Jackson, son John and daughter Lucy.