Truman received his Juris Doctorate from the University of Oklahoma School of Law in May 1993. He initially worked for a creditor's rights law firm in Oklahoma City representing several large banks. In July 1996, Truman moved to the Dallas Fort Worth Metroplex and changed the focus of his practice to debtor representation in Chapter 7 and Chapter 13 Bankruptcy. He founded the Law of Office of Truman E. Coe, P.C. in January 1998.

Since that time, he has successfully represented thousands of debtors in Chapter 7 and Chapter 13 Bankruptcy. His practice is solely dedicate to representing debtors, and he personally meets with every new client.

Truman is licensed to practice in the United States District Court for the Northern District of Texas, the United States District Court for the Southern District of Texas, the United States District Court for the Eastern District of Texas, the United States District Court for the Western District of Oklahoma, the Texas State Courts and the Oklahoma State Courts. Truman is also a member of the National Association of Consumer Bankruptcy Attorneys.