David attended Auction School in 2008 and earned his real estate license in November 2010. He is the Owner-Operator and Managing Broker of Whitaker Marketing Group. Through years of contract auctioneering, he gained broad experience in auctions across the country. Active in the Realtor Land Institute, National Auctioneers Association, and several state auctioneer associations, David is recognized as a trusted advisor in farmland sales and acquisitions. After selling millions in assets, he focused his passion on farmland. David and his wife, Ann, reside and farm outside Ames, Iowa, with their two sons, Colton and Caleb.
David is a Past President and Chairman of the board for the Iowa Auctioneers Association
David is the 2026 Hall of fame recipient for the Iowa Auctioneers Association.
David is a Past President for the Iowa Realtor Land Institute
David is a licensed Sales person in Iowa, Nebraska, Illinois, Minnesota and Missouri
Education
Iowa State University, Ames, Iowa
Bismarck State College, Bismarck, North Dakota, AAS
Missouri Auction School, St. Louis, Missouri
Iowa Association of Realtors
Certified Auction Institute – National Auctioneers Association
Auction Marketing Management – National Auctioneers Association
Awards
 Certified Auction Institute – Rose Award (Best Business Plan)
 International Auctioneer Finalist (Top 5)
 Iowa State Champion Auctioneer
 Minnesota State Champion Auctioneer
 Nebraska State Champion Auctioneer
 Missouri State Champion Auctioneer
 US Bid Calling 1st Runner Up Champion
 Battle of the Bluegrass Champion Auctioneer
 Canadian International Western Champion
 Mule Day Champion Auctioneer
 Texas Open Reserve Champion Auctioneer
 Mile High Open Reserve Champion Auctioneer
 World Livestock Auctioneer Spokesman (Interview Top Score)
 Nebraska Champion Ringman
 Texas Open Reserve Grand Champion
 Mile High Open Reserve Grand Champion