Michael J. Wynne

Michael J. Wynne, a Harvard Law graduate, has practiced law for over three decades, serving for 12 years as an Assistant United States Attorney for the Southern District of Texas across the Houston, Brownsville, and McAllen Divisions. During his tenure as a federal prosecutor, he earned multiple awards and distinctions for leading significant, complex matters, often in close partnership with foreign governments.
Drawing on his extensive federal background, he frequently conducts internal corporate investigations and presents findings directly to federal agencies—including the U.S. Attorney’s Office, FBI, HSI, DEA, IRS, and FAA—securing case dismissals, asset returns, and favorable outcomes without public exposure.
Experience
- Assistant U.S. Attorney, U.S. Attorney’s Office, Southern District of Texas, August 1998-2005; 2008-2013
- Partner, McDermott Will & Emery 2013-2016
- Partner, Gregor Wynne Arney, PLLC 2019-2026
Jon Muschenheim

Jon Muschenheim brings 26 years of experience as an Assistant U.S. Attorney, preceded by a decade in private practice, to Gregor Wynne Arney’s trial team. A veteran litigator with nearly 60 first-chair jury trials, Jon specializes in federal criminal defense, complex regulatory matters, civil litigation, and government investigations.
During his tenure as an Assistant U.S. Attorney, Jon spent over a decade supervising the Organized Crime Drug Enforcement Task Force and the Financial Investigations Unit. He directed complex matters involving healthcare fraud, public corruption, national security, and civil asset forfeiture, while also serving as FinCEN Coordinator for the Southern District of Texas. A recognized authority on money laundering and financial crimes, Jon spent over 15 years training federal agents and prosecutors nationwide, collaborating with agencies such as the FBI, IRS, DEA, HSI, and EPA.
Experience
- Deputy Chief, Asset Forfeiture, US Attorneys Office, Southern District of Texas, August 2018 – 2024
- Assistant United States Attorney, Department of Justice, Corpus Christi July 1997 – January 2024
- Attorney at Law, Tinker & Muschenheim, Corpus Christi, November 1987 – July 1997
Kim Ogg

Kim Ogg is a native Houstonian and seasoned attorney with 38 years of legal experience. Board Certified in Criminal Law by the Texas Board of Legal Specialization continuously since 1992, she served as the Harris County District Attorney from 2016 to 2024, leading the nation’s third-largest county judicial system. Notably, she is the only District Attorney in Harris County to earn two terms this century and has tried over 130 jury trials as lead prosecutor.
Throughout her distinguished career, Ogg has served across every facet of the justice system, including roles as Assistant District Attorney, Director of the Anti-Gang Task Force, Executive Director of Crime Stoppers, and Managing Partner of her family’s law firm. She brings unparalleled trial experience, public leadership, and crisis communication expertise to the private sector.
Experience
- District Attorney, Harris County, 2016-2024
David Lindenmuth

With 25 years of trial experience in criminal law, David brings a rare depth of institutional insight to his defense practice, having served over two decades as a state and federal prosecutor.
David began his career in 2001 as an Assistant District Attorney in Jefferson County, Texas, prosecuting state offenses for a decade. In 2011, he was appointed as an Assistant United States Attorney for the Southern District of Texas under the Obama administration. Over nearly 13 years as a federal prosecutor handling cases across McAllen, Brownsville, and Houston, David managed one of the heaviest federal caseloads in the nation. His trial performance earned him multiple awards, including an official commendation from FBI Director Andrew McCabe.
Now leveraging his prosecution background to defend the accused, David has achieved exceptional courtroom victories—including successfully defeating the U.S. Government in probable cause hearings on seven separate occasions over the last two years.
Rolando Cantu

Cantu brings an extensive background as both a state and federal prosecutor to his criminal defense practice.
Rolando spent eight years as an Assistant District Attorney for Hidalgo County, where he prosecuted hundreds of state cases, ranging from driving while intoxicated and felony theft to high-stakes offenses like aggravated robbery, sexual offenses, and capital murder. Building on that courtroom foundation, he served as an Assistant United States Attorney for the Southern District of Texas in the McAllen Division. As a federal prosecutor, he spearheaded complex investigations into severe offenses, including federal drug violations, firearms offenses, immigration crimes, and money laundering.
Throughout his career, Rolando has worked closely alongside key investigators across major federal agencies, including:
- Drug Enforcement Administration (DEA)
- Federal Bureau of Investigation (FBI)
- Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF)
Today, attorney Rolando Cantu leverages this rare dual-level prosecution insight to defend the accused. Widely respected across the Texas legal community, he has built a reputation for delivering a formidable defense in both state and federal criminal cases.
Daniel Gerdts

Attorney Daniel L. Gerdts is a criminal defense practitioner in Minneapolis, Minnesota, with more than 35 years of legal experience. After graduating cum laude from the University of Minnesota Law School, he served as law clerk to Judge Gerald W. Heaney of the U.S. Court of Appeals for the Eighth Circuit and to Judge Michael J. Davis shortly before his appointment to the U.S. District Court bench for the District of Minnesota.
Mr. Gerdts serves on a thoroughly vetted panel of lawyers called upon through a legal defense fund to represent law enforcement officers throughout the state of Minnesota who are involved in critical incidents in the line of duty. In that capacity, he responds at all hours to represent and advise law enforcement agents finding themselves in circumstances where the use of force, a citizen injury, or a death demands appropriate scrutiny.”
Mr. Gerdts is a fellow of the American Board of Criminal Lawyers, a Life Member of the National Association of Criminal Defense Lawyers, and a Past President of the Minnesota Association of Criminal Defense Lawyers. He is a Certified Specialist in the area of criminal law, and has represented notable clients in cases throughout Minnesota, in the Eighth Circuit Court of Appeals, in United States District Court for the Eastern District of Michigan, and in the United States Supreme Court.

