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John E. Exner, IV

Principal
Los Angeles
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John E. Exner, IV is a principal in the Los Angeles, California, office of Jackson Lewis P.C. His practice is primarily dedicated to the representation of businesses and individual clients in a variety of employment-based and family-based immigration matters, as well as workplace compliance.

John is an experienced immigration attorney representing clients in nearly all industries, with a particularly strong focus in the healthcare, medical research, education, engineering, aviation, aerospace, automotive, video game, athletics, telecommunications, fashion, music, and entertainment industries. 

John regularly counsels clients on immigration enforcement issues, E-Verify, and I-9 compliance, on both the federal and state level. He has worked with several clients to prepare comprehensive I-9 and E-Verify compliance programs, and has extensive experience responding to I-9 audits, public access file audits, and H-1B site visits.

Representative Matters

  • Preparing and filing hundreds of nonimmigrant visa petitions, with a particular emphasis on H-1B, H-2A, L-1, E-1, E-2, E-3, O-1, P, and TN petitions
  • Guiding international investors, entrepreneurs and multinational companies in the process of establishing U.S. offices and operations for purposes of obtaining E-2 investor visas and L-1 new office visas
  • Preparing and filing EB-1 petitions for Multinational Executives, Outstanding Researchers, and individuals of Extraordinary Ability
  • Preparing and filing hundreds of Labor Certification (PERM) applications, for EB-3 and EB-2 filings
  • Preparing and filing EB-2 Exceptional Ability Schedule A, Type II immigrant petitions, for professionals with exceptional ability in their field
  • Working with professional athletes and entertainers on P-1, O-1, and EB-1 petitions
  • Preparing and filing hundreds of Schedule A, Type I immigrant petitions for healthcare industry clients, including nurses and physical therapists

Honors and Recognitions

  • The Best Lawyers in America©, “Immigration Law” (2025)
  • Chambers USA, “Up and Coming: Immigration” (2021-2023) and "Immigration" (2024)
  • Legal 500 USA, “Recommended Attorney” (2021)
  • Los Angeles Business Journal, “Top 100 Lawyers” (2023)

Pro Bono and Community Involvement

  • AILA Military Assistance Program (MAP)

Credentials

Education
St. Mary’s University School of Law
J.D.
Trinity University
B.S.
Admitted to Practice
California
Tennessee
Professional Associations and Activities
American Immigration Lawyers Association (AILA)

St. Mary’s University School of Law
J.D.
Trinity University
B.S.

California
Tennessee

American Immigration Lawyers Association (AILA)