A twelve-year veteran of law enforcement, Denny brings a distinct perspective to helping accused citizens. Prior to finishing college, Denny worked in the Fingerprint Division at FBI headquarters in Washington, D.C. Following college, Denny was a member of the Houston Police Department from 1977 to 1982. For the next five years he served as a Special Agent of the United States Secret Service. Denny protected President Reagan, Vice President Bush and also served in the protective intelligence squad in charge of investigating threats against the President. Denny also conducted numerous investigations of counterfeit currency and financial obligations during his Secret Service career. While in this position, Denny attended law school and received his J.D. from South Texas College of Law in 1987. Upon graduation from law school, Denny was admitted to the Texas Bar in 1988 and began practicing criminal defense law, initially with the firm of Hinton, Sussman & Bailey, and later with his own firm.

Denny has tried numerous state and federal court felonies and misdemeanors, locally and throughout Texas. He has spent extensive time in all Harris County criminal courts, including four years as adjunct defense attorney for defendants in the 338th District Court in Harris County, giving him a unique understanding of, and familiarity with, the workings of state district courts in Harris County and the judges and personnel assigned to them. Denny has represented a number of law enforcement officers in grand jury investigations and civil rights violations, and worked on federal litigation involving multi-defendant cases and forfeiture cases.

Denny has represented numerous of law enforcement officers in criminal investigations and worked on federal litigation involving multi-defendant cases, white-collar crimes, and civil forfeiture cases.

Denny was born in Texas City, Texas on June 18, 1953. He attended Southeastern State College on a basketball scholarship and received his B.S. in criminal justice from the University of Houston at Clear lake City. He is a member of the Houston Bar Association, State Bar of Texas, and the Harris County Criminal Lawyers Association.