Vasilios "Bill" Kalogredis. Association Health Plan (AHP) allowing small businesses to establish or join AHPs self-funded AHP lawsuit may be on the horizon signed by the attorneys general of those two states —Andrew Stein, an associate at Lamb McErlane who focuses his practice on health and business law, and Nigel James, a summer intern from the Villanova University Charles Widger School of Law, assisted in the preparation of this article. Vasilios J. Kalogredis is chairman of Lamb McErlane's health law department. He represents many medical and dental groups and thousands of individual physicians and dentists.