Daryl received a Bachelor of Science in Philosophy from Northern Arizona University, graduating summa cum laude, and earned his Juris Doctor, with distinction, from the University of Arizona. He joined the firm of Kimble, Gothreau, Nelson and Cannon in 1983 and became a partner in 1988.

He is admitted to practice law in Arizona State Courts, Federal Court, District of Arizona, the 9th Circuit Court of Appeals and the U.S. Supreme Court.

His professional memberships include:

• Defense Research Institute
• Tucson Defense Bar
• Pima County Bar Association
• Arizona Association of Defense Counsel
• American Board of Trial Advocates (invitation only)
• International Association of Chiefs of Police