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Marc Klein represents employers in all aspects of employment and labor and employment-based immigration law. His employment and labor practice focuses on counseling clients on day-to-day personnel matters, handling administrative proceedings and investigations before federal and state governmental agencies, and representing management in employment litigation, including claims for discrimination and wrongful discharge. Marc also advises management on such corporate immigration matters as the preparation of nonimmigrant and immigrant employment-based visa petitions for foreign national employees and compliance with federal immigration laws. In addition, he represents foreign investors who seek U.S. permanent resident status.

Marc is Board Certified in Labor and Employment Law by the Texas Board of Legal Specialization.

  • Obtained summary judgment for offshore drilling company in action alleging same-sex sexual harassment and retaliation
  • Obtained summary judgment on Sabine Pilot wrongful-discharge claim where plaintiff alleged that outside counsel had instructed the plaintiff to perjure himself at co-worker’s Jones Act trial
  • Obtained summary judgment for offshore drilling company in racial-harassment and retaliation lawsuit
  • Obtained affirmance of summary judgment from the Fifth Circuit in a FMLA-retaliation and breach-of-contract case
  • Assists multinational corporations with developing successful strategies to lawfully transfer executives, managers, and specialized-knowledge personnel to the United States, including preparation of blanket L-1 visa petitions
  • Obtained summary judgment for an employee-staffing company in a federal action alleging sexual harassment and retaliation
  • Assisted an Italian architectural restoration and conservation firm with establishing a treaty-investor E-2 strategy under which essential-skills technicians obtained authorization to work on a specialized concrete project at a preeminent art museum
  • Obtained approval of extraordinary-ability O-1 and immigrant visa petitions for various individuals engaged in the fields of science, education, and the arts, including geophysicists
  • Assisted clients in responding to notices of audit and challenging notices of intent to fine from Immigration and Customs Enforcement
  • Formulated and implemented a treaty-trader E-1 visa-application strategy for a large Mexican beer manufacturer to enable the transfer of marketing and promotions personnel to the United States
  • Obtained approval of extraordinary-ability O-1 nonimmigrant visa petitions for various individuals engaged in the arts and sciences including a conductor of a world-renowned symphony orchestra, art museum curator, plant pathologist, and geophysicist
  • Represented foreign nationals in acquiring lawful permanent resident status through investment in a Regional Center (EB-5)

Honors & Affiliations


  • The Best Lawyers in America® by Woodward/White Inc. (Employment Law-Management), 2016-2021
  • Texas Super Lawyers® by Thomson Reuters (Employment & Labor), 2008, 2013-2020
  • Best Lawyers in Dallas (Immigration), D Magazine, 2018, 2021
  • Texas Rising Stars® by Thomson Reuters (Employment & Labor, Immigration), 2004-2005
  • Chairman, Labor and Employment Law Advisory Commission, Texas Board of Legal Specialization, 2011, Member, 2006-2011


  • Member, American Bar Association; Labor and Employment Law Section
  • Member, State Bar of Texas; Labor and Employment Law Section; Immigration Law Section
  • Member, Dallas Bar Association; Employment Law Section
  • Member, American Immigration Lawyers Association
  • Member, Board of Directors, Retina Foundation of the Southwest, 2003-2012, 2014-present; Secretary, 2010-2012; Board of Trustees, 1999-2003
  • Member, Board of Directors; Dallas Children’s Museum, 2002-2006

Education & Admissions


  • J.D., 1991, University of Pennsylvania Law School; Article Editor, University of Pennsylvania Journal of International Business Law
  • B.S., 1988, magna cum laude, Duke University; Phi Beta Kappa


  • District of Columbia
  • Texas
  • U.S. Court of Appeals for the Fifth Circuit
  • U.S. District Court for the Eastern District of Texas
  • U.S. District Court for the Northern District of Texas
  • U.S. District Court for the Southern District of Texas
  • U.S. District Court for the Western District of Texas

Thompson & Knightis now part of
Holland & Knight

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