Hon. Robert D. Herndon Presiding Judge Clackamas County Circuit Court, Oregon City Hon. Robert D. Herndon, Presiding Judge, Clackamas County Circuit Court, Oregon City; J.D., University of Oregon School of Law (1968); member of the Oregon State Bar since 1968; Clackamas County Circuit Court Judge and Probate Judge since 1997; pro-tem Circuit and District Court Judge for 17 years.