Mark Demian

Mark Demian

Member Partner





Columbus Office:

140 East Town Street
Suite 1250
Columbus, OH 43215


Mark Demian is the member-in-charge of Rathbone Group, LLC’s Columbus, Ohio office and a member of the firm's auto and property insurance subrogation group. He is actively involved in the National Association of Subrogation Professionals, presently serving on the Board of Directors. Mark graduated from Colby College in Waterville, Maine with a double-major in Political Science and History. He received his law degree from Case Western Reserve University School of Law in Cleveland, Ohio, and is licensed to practice law in Ohio and Kentucky, including various Federal Courts in both states. He is also an active member of the Ohio State Bar Association, serving on the Litigation, Insurance, and Negligence Committees.

When not working, Mark enjoys spending time with his with his wife and daughter. He is an active member of St. Brigid of Kildare Church, serving as advocate and youth coordinator for the parish’s Knight of Columbus council. He is an ardent, long-suffering Cleveland and Ohio sports fan, and enjoys playing golf, tennis and gardening.


A national subrogation law firm committed to developing long-term relationships with clients, emphasizing client support and adding value throughout all stages of the claim, providing quality services exceeding client expectations, and achieving successful results to maximize client recoveries.