 Diaz was on faculty regularly between 2012 and 2017 at the DOJ's National Advocacy (Training) Center, lecturing on civil rights enforcement.Additionally, in 2016 Diaz lectured on the Rule of Law as part of the DOJ and State Department's Office of Oversees Prosecutorial Training and Development in East Timor.Governor Jay Inslee appointed Diaz to the King County Superior Court in December 2017, effective January 22, 2018.