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Northern District Civil Prosecutor Joins Vartabedian Hester & Haynes

August 5, 2025 Alexa Shrake

Richard Guiltinan has joined the Dallas office of Vartabedian Hester & Haynes as the latest addition to the law firm’s white collar and investigations practice group.  

“Richard is bringing the perspectives gained while prosecuting white collar cases, coupled with his years in private practice,” Conrad Hester, the firm’s managing partner, said in a news release. “This depth of experience will be invaluable as we build this practice area into one of the finest and most effective in North Texas.”

Guiltinan joins the firm from the U.S. attorney’s office for the Northern District of Texas, where he has served since 2017 as a civil prosecutor for False Claims Act and healthcare fraud investigations. He also served for three years as the civil healthcare fraud coordinator for the Northern District of Texas.

Prior to joining the Department of Justice, Guiltinan was an associate in the Dallas office of Haynes Boone for six years. While in private practice, he represented multiple clients in government investigations involving fraud, antitrust claims and securities litigation.

Last month, the firm announced the hiring of Richard Roper, a former U.S. attorney for the Northern District, to lead its white collar litigation practice.

“It’s going to be an honor to work alongside Richard Roper,” Guiltinan said in a news release. “I have enormous respect for him, and we share a vision for how this firm can add expertise and resources to provide our clients with high-quality representation that offers greater flexibility and fewer conflicts than larger firms. That’s why I’ve made this move.”

Guiltinan earned his law degree with honors from the Northwestern University School of Law and his undergraduate degree from Yale University.

Alexa Shrake

Alexa covers litigation and trials for The Texas Lawbook.

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