Jackson Walker LLP

John V Jansonius

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Practice Areas

John V. Jansonius' practice focuses on representation in executive compensation and employment contract matters, defense of employment discrimination claims, wrongful discharge claims, L&E arbitration cases, representation and unfair labor practice claims under NLRA, plan administration and denial of benefits claims under ERISA and collective/individual actions under FLSA. John is Board Certified in Labor & Employment Law by the Texas Board of Legal Specialization. He defends jury and non-jury trials in state/federal court and presented oral arguments to the US Supreme Court and several federal courts of appeals.

Professional Memberships

John is licensed to practice in Texas, Minnesota, and Oklahoma, and is admitted to appear before the U.S. Supreme Court; the U.S. Court of Appeals for the Fifth, Eighth, and Tenth Circuits; and the U.S. District Court for the Northern, Southern, Eastern, and Western Districts of Texas. He is a Fellow of the Texas Bar Foundation, Dallas Bar Foundation, and American Bar Foundation. John formerly served on the State Bar of Texas Board of Directors and Executive Committee, where he was named Outstanding Director in 2017.


J.D. Southern Methodist University Dedman School of Law; B.A., Drake University.