Dan Crabtree is a lifelong resident of Wyandotte County, Kansas. He graduated from Ottawa University in 1978 and the University of Kansas Law School in 1981. He spent his entire career as a practicing lawyer with the same firm, Stinson Leonard Street LLP (and its predecessor firm, Stinson Morrison Hecker LLP) where he practiced for 32 years. While in private practice, he represented businesses and business owners in commercial and antitrust cases and he also served as General Counsel for the Kansas City Royals. He was active in civic and charitable enterprises, serving on the Board of Directors of the Greater Kansas City Community Foundation and the Greater Kansas City Sports Commission. President Obama nominated Judge Crabtree for the position previously held by Judge John W. Lungstrum, the United States Senate confirmed him, and on May 1, 2014, he was commissioned as the twenty-eighth United States District Judge for the District of Kansas. His chambers are in the Frank Carlson United States Courthouse in Topeka.