William A. Stock


William A. Stock, an immigration lawyer in Philadelphia, PA, is AILA’s Immediate Past President for the 2017-2018 term.

William A. Stock is a founding partner of Klasko Immigration Law Partners, LLP, where he leads the Corporate Immigration team from the firm's Philadelphia headquarters. With more than 23 years of experience practicing immigration law, Mr. Stock focuses his practice on employment-based immigration for some of the largest companies, health care systems and universities in the country, as well as individual investors, researchers and physicians. In addition, Mr. Stock also handles complex family-based, citizenship, and naturalization matters, as well as defends clients in removal and Department of Labor enforcement proceedings. He has an impressive track record of litigating against the government in the federal courts to obtain immigration benefits unlawfully withheld.

Long active in AILA on both national and local levels, Mr. Stock has served several terms on the association's Board of Governors and received the organization's Joseph Minsky Young Lawyer Award for outstanding accomplishments in immigration law in 2000. A frequent speaker and author on immigration law topics, Mr. Stock has taught immigration law at Villanova University School of Law. He has served on the editorial board of Bender's Immigration Bulletin and was a senior editor of AILA's annual Immigration Practice Pointers.

Raised in northern Wisconsin, Mr. Stock received a scholarship from the German Bundestag in 1985 to spend his senior year of high school in Lübeck, Germany. He returned to the United States for college, graduating summa cum laude from the University of St. Thomas in St. Paul, MN and magna cum laude from the University of Minnesota Law School in 1993. In law school, Mr. Stock was a student director of the Immigration and Human Rights Law Clinic, and worked as a foreign student advisor for the University's Office of International Education.

Mr. Stock lives in suburban Philadelphia with his wife of 25 years, Mary Stock. They have three children: Ben, Katie, and Maggie. He is a supporter of the arts, including the Philadelphia Opera as well as community orchestras and dance groups. Mr. Stock is an avid reader and hockey fan as well as an active member and elder at Abington Presbyterian Church.

Mr. Stock is engaged on social media; his Twitter handle is @wstock215.


Business, Consular Practice, Employer Sanctions, General, Medical, Naturalization.

Selected Opinion Pieces and Blog Posts:

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