John is a Managing Shareholder at Maggio + Kattar. He focuses his practice on corporate business immigration representing clients ranging from Fortune 500 corporations to small and medium sized enterprises in a variety of industries, including high tech, engineering, health, finance and manufacturing. John leverages the substantial business and operational experience gained from working in both the law firm setting and as in-house corporate counsel to create sophisticated, comprehensive business immigration policies for his clients. He has expertise in all facets of the employment-based arena including routine and complex immigrant and non-immigrant matters, the immigration implications of mergers and acquisitions, corporate best practices, and I-9 and social security "no-match" letters.

John is consistently recognized by national and international publications for his contributions to the field including by Super Lawyers, U.S. News and World Report's Best Lawyers, Who's Who Among Corporate Immigration Attorneys and by Washingtonian Magazine as one of Washington D.C.'s Best Lawyers in Cross Border Practice. He is quoted regularly in various publications concerning business immigration matters, including the Corporate Legal Times, The Washington Post and Computerworld. John is a regular lecturer on business immigration law for Business on behalf of the District of Columbia Bar's Continuing Legal Education program, as well as at various professional conferences nationwide. He is also a member of the Alliance of Business Immigration Lawyers, an exclusive global association of leading business immigration lawyers.