David graduated with honors from the University of Wisconsin Law School in 1976. Since then he has been a trial lawyer in Madison, emphasizing the defense of medical and other professional liability cases and commercial litigation in State courts throughout Wisconsin and in Federal court.

David is a member of the State Bar of Wisconsin, the American Bar Association and the Defense Research Institute. He has an "AV-Preeminent" rating by Martindale-Hubbell; is listed in "The Best Lawyers in America" in the areas of Medical Malpractice Law, Medical Malpractice Law - Defendants, Personal Injury Litigation - Defendants and Mediation; is listed as a Wisconsin "Super Lawyer" in Personal Injury Defense -  Medical Malpractice; and in 2012 was recognized by The Best Lawyers in America as Madison's "Medical Malpractice Law Lawyer of the Year."

David was the original author of "On Being 18: Your Rights and Responsibilities," which continues to be published by the State Bar of Wisconsin as "What You Should Know About Wisconsin Law: Your Legal Rights and Responsibilities."  He received a Silver Gavel Award from the American Bar Association for making an outstanding contribution to increasing public awareness of legal issues and received a Second Place National Law Day Speech Award from the American Bar Association.

David has successfully defended physicians, hospitals, other health care providers and their insurers in trials involving neurosurgery, obstetrics, general surgery, orthopedic surgery, radiology, pathology, internal medicine, psychiatry and psychology, among others. He has also successfully represented lawyers in the defense of legal malpractice cases and represents businesses and municipalities involved in a wide range of commercial and employment disputes. David has represented the Sauk Prairie School District in his home town for many years and has been the lawyer-coach for the school's successful Mock Trial team.

David lives with his wife in Prairie du Sac near the Wisconsin River. He plays trombone in several big bands and community bands, something he continued after four great years in the Wisconsin Marching Band during college. During breaks from trial work, David enjoys spending time with his children and grandchildren, competing in AKC agility trials with their border collie, camping and listening to almost all types of music.