Andy graduated from Case Western Reserve University Law School in 1978. After law school, he was an associate at a personal injury law firm in Rockville, Maryland. He opened his own law office in 1982. In 1985, Andy and Roger Greenberg founded Greenberg & Bederman, LLP, which is dedicated to protecting the rights of victims and consumers.

Andy was President of the Maryland Trial Lawyers Association from 1998 to 1999. He has served on the MTLA Board of Governors since 1993. He has also chaired and served on many MTLA committees. He currently serves on the MTLA Political Action Committee. Andy is also a member of the American Association For Justice (AAJ)., the District of Columbia Metropolitan Trial Lawyers' Association, the Virginia Trial Lawyers Association, the American Bar Association, the Maryland Bar Association, the D.C. Bar Association and the Million Dollar Advocates Forum.

Andy has lectured on automobile collision cases and attorney marketing issues. He has appeared on various television programs and has been interviewed by several newspapers. He has also testified before the Maryland Legislature regarding proposed legislation in order to help injured victims and consumers throughout the state.

Andy is married and has two children. His hobbies include jogging, snow skiing, golf, and travel.