John Lasseigne

Manager, Senior Associate

John provides counsel and strategic advice to companies and their employees in support of their US immigration needs. In doing so, John represents clients before the US Customs and Border Protection service, the US Citizenship and Immigration Service, and consular offices around the world. He provides US business immigration services to clients on a wide range of matters, including nonimmigrant and immigrant petitions and visas, as well as applications for adjustment of status. He has had the privilege of spending years practicing immigration law near both US land borders with Canada and Mexico. He has provided immigration counsel in places as diverse as ICE detention centers, the immigration courtroom and corporate managers’ offices. John has a special love for crafting a sound legal argument and expressing it clearly.


John joined EY Law LLP after practicing for several years as an immigration attorney in California and Texas, where he represented clients from diverse backgrounds in many aspects of immigration law, including family and employment-based immigrant and nonimmigrant visa petitions, naturalization, asylum, VAWA, criminal issues, waivers and removal defense. He has experience practicing before such entities as the immigration courts, Board of Immigration Appeals, USCIS, Customs and Border Protection, US Department of State, Administrative Appeals Office and Federal Circuit Court of Appeals.


John received his Bachelor of Arts degree in Humanities from Johns Hopkins University (1986) and his Juris Doctorate from the Loyola University School of Law, New Orleans (1991). He is licensed to practice law in the United States and is a registered foreign legal consultant with the Law Society of British Columbia. He is admitted to the Louisiana State Bar (1991), Texas State Bar (1998) and the US Court of Appeals for the Fifth Circuit (2013). He is also a member of the American Immigration Lawyers Association (Canada chapter).