; and (2) in selecting immigration judges, may not give any preference to candidates with prior government experience compared to equivalent subject-matter expertise resulting from nonprofit, private bar, or academic experience. (c) Necessary support staff for immigration judges To address the shortage of support staff for immigration judges, the Attorney General shall ensure that each immigration judge has sufficient support staff, adequate technological and security resources, and appropriate courtroom facilities. (d) Annual increases in Board of Immigration Appeals personnel The Attorney General shall increase the number of Board of Immigration Appeals staff attorneys (including necessary additional support staff) to efficiently process cases by at least— (1) 23 attorneys during fiscal year 2019; (2) an additional 23 attorneys during fiscal year 2020; and (3) an additional 23 attorneys during fiscal year 2021. (e) GAO report The Comptroller General of the United States shall— (1) conduct a study of the hurdles to efficient hiring of immigration court judges within the Department of Justice; and (2) propose solutions to Congress for improving the efficiency of the hiring process. 522. Improved training for immigration judges and members of the Board of Immigration Appeals (a) In general To ensure efficient and fair proceedings, the Director of the Executive Office for Immigration Review shall facilitate robust training programs for immigration judges and members of the Board of Immigration Appeals. (b) Mandatory training Training facilitated under subsection (a) shall include— (1) expanding the training program for new immigration judges and Board members; (2) continuing education regarding current developments in immigration law through regularly available training resources and an annual conference