.William W. Stahl is an immigration law expert who concentrates in the areas of employment and family based immigration, political asylum, and naturalization, in addition to providing other immigration services. He is a graduate of Boalt Hall School of Law, University of California at Berkeley. He has been in practice since 1970, and has concentrated in immigration law since 1973. Over the years, he and his office staff have secured thousands of successful applications for permanent residence and citizenship.. Immigration