Marcos G. Ronquillo
+1 214 461 1202

Marcos G. Ronquillo is a dedicated trial lawyer who takes the time to learn about clients and clearly communicates analysis to help them pursue their goals.

Marcos G. Ronquillo has over 35 years of trial experience representing governmental agencies, such as the Dallas Independent School District and the Federal Deposit Insurance Corporation, Fortune 500 companies and Business Owners in high-profile controversies where public policy and social concerns collide in the courtroom.

Mr. Ronquillo is a past recipient of the State Bar of Texas Presidents’ Special Citation Award and Outstanding Lawyer of the Year Award from the Texas Mexican Bar Association. From 2012 to present he has been chosen Best Lawyers in America. Since 2016, he has been selected by the National Association of Distinguished Counsel as the “Nation’s Top One Percent.”

Mr. Ronquillo has been awarded the national Spirit of Excellence Award by the American Bar Association, National Commission on Minority Lawyers. He has been recognized nationally as an outstanding lawyer by the American Immigration Lawyers Association, Dallas Business Journal, Ernst & Young, Texas Diversity Council and Texas Lawyer. He has also been honored by Texas Monthly and Super Lawyer magazines as a Texas “Super Lawyer” from 2003 to present. In addition, Super Lawyers has recognized Mr. Ronquillo as one of the “Top 100” Lawyers in the Dallas/Fort Worth area.

He is the former President of the Dallas Mexican American Bar Association and former Chairman of the Dallas Hispanic Chamber of Commerce. He is the former National Chairman of the Hispanic Alumni Association for the University of Notre Dame, and former member of the Board of Advisors of the George Washington University Law School.

He was honored in 2011 by Hispanic Business Magazine as one of the “100 Most Influential Hispanics” in the United States, and by Latino Leaders Magazine with its prestigious “Maestro Award for Leadership.” He was selected in 2016 by Latino Leaders Magazine as one of the “Top 25 Hispanic Attorneys” in the country.

He has served on numerous boards and commissions including the Dallas Museum of Art, Dallas Area Rapid Transit Authority (DART), Children’s Medical Center, JPMorgan Chase and United States/Mexico Bi-National Chamber of Commerce, to name a few. He currently serves on the Smithsonian National Latino Center Advisory Board; The Smithsonian National Campaign Steering Committee and The Institute of Latino Studies Advisory Council, University of Notre Dame.

Honors and Awards

  • Named Leading Hispanic Business Arbitration and Litigation Attorney of the Year by Acquisition International Magazine, 2022
  • AV Preeminent, Martindale Hubbell
  • Texas Super Lawyers, Thomson Reuters, Blue Ribbon Panel, 2003-2017
  • Best Lawyers, Woodward/White, Top 100, 2013-2018
  • Texas Rising Star, Thomson Reuters, 2017
  • Top 5% – The American Lawyer and Corporate Counsel, “Legal Leaders: Administrative Law”, 2017
  • National Association of Distinguished Counsel, Top One Percent Lawyers in the Nation, 2016
  • Top Latino Leader Award, National Diversity Council, 2016
  • 25 Most Influential Hispanics in the United States, Hispanic Business Magazine, 2016
  • La Luz Award, Dallas Hispanic Bar Association, 2016
  • Best Lawyers in America, Woodward/White, Commercial Litigation, 2013, 2015
  • Champion of Diversity Award, National Diversity Council, 2012
  • 100 Most Influential Hispanics in the United States, Hispanic Business Magazine, 2011
  • Maestro Award for Leadership, Latino Leaders Magazine, 2011
  • Top 100 Lawyers in Dallas/Fort Worth, Super Lawyers, Thomson Reuters, 2011
  • Multiculitural Leadership Award, Texas Diversity and Leadership, 2010
  • Defender of the Year, Dallas Business Journal, 2008
  • Chairman’s Leadership Award, Greater Dallas Hispanic Chamber of Commerce, 2006
  • Spirit of Excellence, American Bar Association, National Commission on Minority Lawyers, 2000
  • President’s Special Citation Award, State Bar of Texas, Outstanding Lawyer, 1988


  • Dallas Bar Association
  • Dallas Hispanic Bar Association, Former President
  • Litigation Counsel of America, Advisory Board
  • Smithsonian Latino Center
  • U.S. Mexico Binational Chamber of Commerce
  • University of North Texas at Dallas Foundation Board, Founding Director
  • JPMorgan Chase, Dallas Region, Advisory Board
  • JPMorgan Chase, Metroplex Region Community, Advisory Council
  • JPMorgan Chase, National Community, Advisory Board
  • Children’s Medical Center Dallas, Former Board of Directors
  • Dallas Museum of Art, Former Board of Directors
  • Dallas Area Rapid Transit Authority, Former Board of Directors
  • The Catholic Foundation, Advisory CouncilMember
  • Julian Samora Legacy Project Board, Former President
  • Texas Minority Counsel Program, State Bar of Texas, Founding Member
  • Congresswoman Eddie Bernice Johnson, 30th District of Texas, Hispanic Advisory Board
  • Parkland Foundation, Former Board of Directors
  • North Texas Public Broadcasting (KERA), Former Board of Directors
  • Southern Methodist University, Willis M. Tate Distinguished Lecture Series, Former Board of Directors
  • Dallas Independent School District, Law Magnet, Center for Public Service, Former Advisory Board Member
  • George Washington University Law School, Board of Advisors
  • U.S./Mexico Binational Chamber of Commerce, Board Member
  • Dallas Mexican Bar Association, Former President
  • Dallas Hispanic Chamber of Commerce, Former President
  • University of Notre Dame, Former National Chairman
  • Hispanic Alumni Association Chaired AIDS Task Force, Former Chairman
  • Education Subcommittee of Dallas Together, Former Chairman
  • University of North Texas, College of Law, Board Member and Co-Chair Founder
  • State Bar of Texas, Committee on Immigration and Nationality Law, Former Chairman
  • Greater Dallas Chamber of Commerce, Former Board of Directors
  • Methodist Medical Center, Former Board of Trustees
  • Mexican American Legal Defense and Education Fund, Former Board of Directors
  • Mexican American Legal Defense and Education Fund
  • North Texas Super Bowl XLV Host Committee, Past Member
  • The Willis M. Tate – SMU Distinguished Lecture Series, Former Board of Directors, 2011-2013

Admitted to Practice

  • U.S. Court of Appeals
  • 5th Circuit
  • U.S. District Court
  • Eastern U.S. District Court
  • Northern U.S. District Court
  • Southern U.S. District Court
  • Western U.S. District Court
  • U.S. Supreme Court
  • List

Practice Areas

  • Arbitration
  • Government & Public Affairs
  • International Due Diligence
  • Litigation
  • Minority Business Enterprise


  • ​George Washington University School of Law (JD, 1979)
              Dean Kramer Scholar
              International and Comparative Law​
  • University of Notre Dame (BA, 1975)
              Holy Cross Scholarship
              Government and Latin American Area Studies


  • Spanish