Of Counsel - Nova Southeastern Shepherd Broad Law Center.  He was admitted to the Florida Bar in 1998, and is admitted to practice in the Northern, Middle, and Southern U.S. District Courts in Florida, as well as the Eleventh Circuit Court of Appeals in 1999.  In 2008 Mr. McMahon was admitted to practice before the United States Supreme Court.

Prior to becoming of Counsel to McKenna & McCausland, P.A., Mr. McMahon was a founding member of the downtown Orlando, Florida law firm of Marcus, McMahon & Myers, P.L., and has continued his practice of handling commercial disputes, property and casualty claims, bad-faith coverage litigation, and life and disability insurance claims.  He is a member of the American Bar Association, the Defense Research Institute, the Florida Defense Lawyers Association, and the Orange County Bar Association.  Mr. McMahon lectures statewide and nationally on the topics of employee welfare plans/benefits compliance, bad faith coverage, property and casualty coverage/claims litigation and ERISA litigation. Mr. McMahon lives and maintains professional offices in Orlando, Florida. He is married to wife ‘Lisa,’ with whom he enjoys raising their 8 year old daughter.