She passed the California Bar Exam on her first attempt and was admitted to the California State Bar Association in December of 2006. Diana has clients throughout the LA basin and appears in Orange, Los Angeles, San Bernardino and Riverside Counties. Diana has worked for the Law Offices of Catherine Lombardo, the Law Office of Margerie Youdath, and is currently with the Law Offices of Alphonse F. Provinziano. Diana is a member of the Western Bar Association of San Bernardino and was a member and officer of Delta Theta Phi Law Fraternity, as well as a member and officer of Kappa Sigma Delta.