The Office of the Under Secretary for Management oversees the activities of 10 bureaus and offices that are responsible for management improvement initiatives; security; the Department’s information technology infrastructure; support services for domestic and overseas operations; consular affairs; and personnel matters, including recruitment, career development, training, medical services, and retirement programs. Bureaus reporting to M include: Administration (A); Consular Affairs (CA); Diplomatic Security (DS); the Foreign Service Institute (FSI); Human Resources (HR); Information Resources Management (IRM); and Overseas Buildings Operations (OBO).