About
Mark E. Kelly is a partner whose practice focuses on workers’ compensation, personal injury litigation, general litigation, construction law, product liability, and automobile accident cases. With decades of legal experience, he represents both employees and employers in workers’ compensation matters while also handling personal injury claims and complex civil disputes. He has tried numerous jury cases in Missouri and Kansas state courts and regularly assists clients through administrative and appellate proceedings.
Mark earned a Bachelor of Science in Business Administration from William Jewell College in 1982 before receiving his Juris Doctor from the University of Missouri–Kansas City School of Law in 1986. During law school, he was named to the Dean’s List. He has also served as a frequent speaker on workers’ compensation issues at Continuing Legal Education seminars, sharing his knowledge with legal professionals.
After joining Gage & Tucker as an associate in 1987, Mark became a shareholder at Withers, Brant, Igoe & Mullennix, P.C., where he practiced from 1994 to 2011 before becoming a partner. He regularly appears before the Missouri and Kansas Divisions of Workers’ Compensation, the Missouri Labor and Industrial Relations Commission, the Missouri and Kansas Courts of Appeals, and the Kansas Supreme Court. Mark is admitted to practice in Missouri and Kansas, as well as the US District Court for the Western District of Missouri and the US District Court for the District of Kansas. He is a member of the Missouri Association of Trial Attorneys, the Kansas City Metropolitan Bar Association, and the Clay County Bar Association.
Mark E. Kelly provides practical legal representation for clients navigating workers’ compensation claims, personal injury litigation, and other civil disputes. His representative cases include Small v. Red Simpson Inc., Carver v. Delta Innovative, Steed v. McPherson Area Solid Waste, and Jones v. Steel. He has been recognized as a Missouri and Kansas Super Lawyer, reflecting his longstanding commitment to client advocacy and litigation.
Law Office Affiliations
- Partner, Kelly Law Office, P.C.
- Member, The Missouri Bar
- Member, Kansas Bar Association
- Member, Clay County Bar Association
- Member, Kansas Trial Lawyers Association
- Member, Missouri Association of Trial Attorneys
- Member, Kansas City Metropolitan Bar Association
Licensed State
- Missouri
- Kansas
Education
- University of Missouri – Kansas City School of Law
Juris Doctor (JD) - William Jewell College
Bachelor of Science
Awards & Badges






- Car Accidents
- Litigation
- Motorcycle Accidents
- Personal Injury
- Products Liability
- Slip & Fall Accidents
- Trucking Accidents
- Workers' Compensation





