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Michael Wynne

Attorney Profile

Top Rated White Collar Crimes Attorney in Houston, TX

Gregor Wynne Arney, PLLC
909 Fannin St, Suite 3800
Houston, TX 77010
Phone: 832-602-3639
Selected to Super Lawyers: 2021 - 2022
Licensed in Texas Since: 1992
Education: Harvard Law School
Practice Areas: Criminal Defense: White Collar
Attorney Profile

Michael Wynne is Co-Chair of Gregor Wynne Arney, PLLC, a Houston-based international litigation boutique.  Michael Wynne practices white collar criminal defense and represents clients throughout the United States, Mexico, and elsewhere in Latin America who may be subjects, targets, witnesses, or victims in federal criminal investigations and/or prosecutions.  He also has expertise in the immigration, foreign asset seizure, and extradition aspects of these investigations and prosecutions.  His practice is expanding to Europe and Africa, focusing in particular on Foreign Corrupt Practices Act (FCPA), OFAC, Cyper-Space, and Money Laundering and Asset Forfeiture.  Michael has had the honor of being counsel primarily responsible for some of the most complex public corruption, sanctuary city, RICO, Food Adulteration, Pharmacy and Drug Diversion, Election Law, Anti-Kickback and Stark Law Cases, Professional Sports, Mutual Legal Assistance Treaty and International Trade, and Human Smuggling cases in the country.   He has assembled one of the strongest white-collar teams in this part of the country, with expertise in state, federal, appellate, and habeas practice -- with a parallel team of civil law and constitutional law practitioners to complement the practice.

Mr. Wynne attended Bucknell University, and graduated magna cum laude with departmental honors and a Bachelor of Arts in 1989. At Harvard Law School, he earned his Juris Doctor in 1992, was a research assistant to the Hon. Stephen Breyer and is admitted to practice in the state of Texas and all federal courts in Texas, the Fifth Circuit, and the U.S. Supreme Court.  He is presently pro hac vice in multiple states.   Mr. Wynne is a Sustaining Life Fellow of the Texas Bar Foundation, a member of the Texas Bar College in 2019, a former Director of the State Bar of Texas, multiple-term Chair of the HBA Criminal Law and Procedure Section, a frequent legal commentator to the local media, sponsor of the Houston Business Forum, contributor to The Houston Lawyer, and member of Second Baptist Church.


Practice Areas
  • 100%Criminal Defense: White Collar
Focus Areas

White Collar Crime


2 Years Super Lawyers
  • Super Lawyers: 2021 - 2022

About Michael Wynne

First Admitted: 1992, Texas

Professional Webpage:

Educational Background

  • Harvard Law School, J.D., 1992
  • Bucknell University, B.A. with Honors in Economics, Phi Beta Kappa, Magna Cum Laude, with Departmental Honors, 1989



  • Chosen due to prosecutorial work resulting in convictions of several attorneys, a state judge, and a district attorney who at the time was running for Congress., Cameron County Outstanding Public Service Award, Cameron County, Texas, Bar Association, 2014

Representative Clients

  • McCrary Interests, 2015
  • Memorial Hermann Healthcare System, 2016
  • American Modern Insurance, 2017
  • Central Chiropractic (St. Louis, MO), 2017
  • Amec Foster Wheeler, 2017
  • Harris County Emergency Service District Board of Directors, 2018
  • LeBlanc Real Estate Investments, Inc., 2018
  • Martin LeBlanc, 2018
  • Shorty's Outdoor Adventures, LLC, 2018
  • Partners Pharmacy, LLC, 2018
  • Chapman Associates, LLC, 2018
  • Aroldo Cadriel, 2019
  • Clint Carr, 2019
  • Arroyo Interests, 2019
  • Dinn Mineral Trust, 2019
  • Yngrid Silva, 2019
  • Salman Mukaty, 2019
  • Marvel Mann, 2019
  • Inland Recycling, Inc., 2019
  • James Prince, 2019
  • CC Pharmacy, 2019
  • Hector Javier Villarreal Hernandez, 2019
  • Prime Social Club, 2019
  • Shaun Mooney, 2019
  • MIKA Ventures, LLC, 2019
  • Lamar Burks, 2019
  • Drilling Structures International, Inc., 2019
  • Sunil Wadhwani, hotel owner, 2019
  • Ultramarine Commodities, LLC, 2019
  • Victory Healthcare System, 2019
  • Dufossat Capital, LLC, 2019
  • Blue Bell Creameries, 2019
  • Union Pacific Railroad Company, 2019
  • Dannenbaum Engineering Corporation, 2019


  • Criminal No. 14-CR-388-MMA; United States of America v. Jose Susumo Azano Matsura, et al., in the United States District Court for The Southern District of California, San Diego, 2016
  • Cause No. 2016-24818; Superior Energy v. Christopher Russo, Martin LeBlanc, et al.; in the 295th District Court of Harris County, Texas, 2018
  • Cause No. 01-18-00701-CV; Anahid Prigmore v. Tina S. Mantooth; in the First District Court of Appeals, Houston, Texas, 2018
  • Cause No. 2019-30591; The State of Texas v. Bayou Social Club, LLC dba Prime Social Club, in the 295th Judicial District of Harris County, Texas, and related cases., 2019
  • Case No. 1:92-cr-00129-SS; United States v. Mann; in the United States District Court for the Western District of Texas at Austin, 2019
  • Civil Action No. 10-CV-2512; Unipec America, Inc. v. Carmine Battista, in the United States District Court for the Southern District of New York, 2019
  • Case No. 4:16-cv-03595; Arya Risk Management System Pvt., Ltd. v. Dufossat Capital Puerto Rico, LLC.; in the United States District Court for the Southern District of Texas, Houston Division , 2019
  • Case No. 4:18-cr-00575; United States v. Steven Pursley, In the United States District Court for the Southern District of Texas, Houston Division, 2019
  • Cause No. 2017-82546; MIKA Ventures, LLC. & Maribel Renteria v. EnerMech Mechanical Services, Inc.; in the 165th Judicial District Court of Harris County, Texas, 2019
  • Case No. 4:19-cr-00794; United States v. Dannenbaum; in the U.S. District Court for the Southern District of Texas, Houston Division, 2019

Scholarly Lectures/Writings

  • Houston Bar Association Foreign Corrupt Practice Act Seminar, Speaker, HBA FCPA Seminar, 2017
  • Federal Law for Corporate Counsel, Speaker, Federal Law for Corporate Counsel, 2017
  • Federal Criminal Law Discussion at the American Society for Professional Fraud Examiners, Speaker, Federal Criminal Law Discussion, 2017

Bar/Professional Activity

  • Chair, Houston Bar Association Criminal Law and Procedure Section, 2017
  • Member, State Bar of Texas
  • Active Member, Downtown Houston Rotary Club, 2020
  • Corporate Sponsor, Houston Business Forum, 2020
  • Board Member, Houston Lawyer, 2020
  • Chair, Houston Bar Association, Criminal Law and Procedure Section, 2020
  • Vice-Chair, American Bar Association Health Care Section, 2017
  • Director for the State Bar of Texas, District 4, Place 3 (three-year term ending June, 2018)., 2018
  • Co-Chair for the Houston Bar Association Administration of Justice Committee, responsible for planning and presenting Bench/Bar conference, 2018
  • Board Member, Federal Bar Association, Public Service Task Force, 2019

Other Outstanding Achievements

  • State Bar College, 2019
  • Texas Bar Foundation Sustaining Life Fellow, 2019

Pro bono/Community Service

  • Representation of indigent Chrisshaun Brown in criminal proceedings., 2019
  • Representation of Charles Lee Baird, special needs individual, in criminal proceedings., 2019
  • Served as a judge for the Harris County High School Mock Trial Tournament and the National College Moot Court competitions, 2018

Industry Groups

  • Energy Trading; Political Campaigns; Health Care; Foreign Affairs; Oil & Gas; Insurance
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Office Location for Michael Wynne

909 Fannin St
Suite 3800
Houston, TX 77010

Phone: 832-602-3639

Last Updated: 5/15/2022

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