Greg, a native Coloradan, has been a Board Certified Criminal Law Specialist since 2000, as certified by the State Bar of Arizona’s Board of Legal Specialization. He is licensed to practice in Arizona, Texas and Colorado state courts, as well as the U.S. Supreme Court and multiple other federal courts.
Greg is also approved as counsel for the International Criminal Court and Lead Counsel for the Special Tribunal for Lebanon. He is fluent in Spanish, passable in Italian, and almost unstoppable in English.
After graduating from the University of Colorado with a Bachelors in Philosophy and Tulane University with a Masters in Latin American Studies, Greg graduated from Northwestern University Law School.
For many years he accepted appointments as first chair on the Capital Murder Panel in Pima County, Arizona, and federal death penalty cases where he is designated Learned Counsel. He is a former member of the Board of Directors of the National Association of Criminal Defense Lawyers and is a Life Member of that organization.
Since 2006, in addition to defending people charged in Arizona, he has been lead death penalty counsel to the Mexican Foreign Ministry, directing the Mexican Capital Legal Assistance Program.
He supervises approximately three dozen of the top capital lawyers in the country in hundreds of cases and has personally appeared in more than thirty state, federal and international jurisdictions defending Mexican nationals charged with capital crimes.