Keenan is an experienced litigator and trial attorney.  He has a breadth of experience, including handling complex business disputes, defending clients sued for alleged discriminatory employment practices, and conducting internal investigations for clients in various industries.  Keenan has represented clients in jurisdictions throughout the country and has tried in excess of 20 jury trials to verdict.

Biography – View PDF Bio


Bar Admissions

  • Texas, 1998
  • Tennessee, 2004
  • U.S. District Courts
    • Tennessee: Eastern, Middle, Western
    • Texas: Eastern, Northern, Southern, Western
  • U.S. Court of Appeals
    • 5th Circuit
    • 6th Circuit

Civic Involvement

  • Lupus Foundation of America, Mid-south Chapter
    • Former Member, Board of Directors


  • Best Lawyers in America®
    • Commercial Litigation, 2021-2022
  • Deputy Civil Chief, United States Attorney’s Office, Western District of Tennessee
  • Alumni, Leadership Franklin’s Class of 2008
  • Alumni, Tennessee Bar Association Leadership Law Class of 2007
  • Graduate, IADC 2005 Trial Academy at Stanford University
  • Fellow, Memphis Bar Foundation
  • Board of Trustees, Baptist Memorial Health Care System

Education & Honors

  • The University of Memphis, Cecil. C. Humphreys School of Law, J.D., 1998
    • The University of Memphis Law Review
    • Moot Court Board
  • Middle Tennessee State University, B.S., Business Administration, 1995


  • Extensive civil and criminal litigation experience in both trial and appellate courts throughout the country.
  • Prior to joining Butler Snow, served as Deputy Civil Chief in the United States Attorney’s Office for the Western District of Tennessee. Department of Justice experience included successfully prosecuting violent and white collar crimes and representing the United States in employment, wrongful death, medical malpractice, negligent hiring, construction, and contract cases.  
  • Prior to joining the U.S. Attorney’s Office, worked in private practice for firms in Dallas and Nashville wherein his practice focused primarily on commercial litigation and the resolution of complex business disputes.  
  • ​Represented clients in multiple arbitration and bench trials.  He also has significant criminal and civil jury trial experience.  
  • Representative Cases
    • Sanford v. Waugh, 323 S.W.3d 836 (Tenn. 2010)Represented client in case of first impression dealing with whether the officers of an insolvent corporation owed a fiduciary duty to creditors.
    • United States v. Shaw, 707 F.3d 666 (6th Cir. 2013) – Represented the United States on appeal in case determining whether police officers’ execution of an arrest warrant violated the defendant’s 4th Amendment protection prohibiting unreasonable searches and seizures.
    • United States v. Tomlinson, 11 F. Supp. 3d 856 (W.D. Tenn. 2015) – Represented the United States in an appeal deciding whether the government’s use of peremptory challenges violated the defendant’s constitutional right to a fair trial.

Papers, Presentations, & Publications

  • Co-Presenter, "Is it Privileged? Part 2," Memphis Bar Association, YLD Rookie Lawyer Series, April 14, 2021.
  • Co-Presenter, "Is it Privileged? Part 1," Memphis Bar Association, YLD Rookie Lawyer Series, March 30, 2021.
  • Author, “Admissibility of Internet Evidence,” IADC Committee Newsletter
  • Author, “The Medical Device Amendment of 1976: To Preempt or not to Preempt…that is the Question,” The Whisper