It shall be the duty of the Executive Secretary of the Supreme Court to exercise general supervisory power over the administration of magistrates and adopt such policies as are deemed necessary to supplement or clarify the provisions of this chapter with respect to such magistrates, to include fixing the time and place such magistrates shall serve. The Executive Secretary shall conduct training sessions and meetings for magistrates and provide information and materials for their use. He may appoint one or more magistrates to assist him and, in addition, require annual reports to be filed by the magistrates on their work as such, fees associated therewith and other information pertinent to their office, on forms to be furnished by him. The Executive Secretary may appoint and employ such personnel as are needed to manage the magistrate system and carry out the duties and responsibilities conferred upon the Executive Secretary by this chapter.