person in charge (of an area of work); person responsible; contact (person)
attending physician; doctor-in-charge; attending doctor; one's doctor
case worker; case officer
senior manager; director; person below the department head with responsibility for a particular area
Minister of State for Special Missions; Minister of State for Science and Technology Policy
State Minister in Charge of Financial Affairs
minister in charge of financial affairs
State Minister in Charge of Issues of Okinawa and Northern Territories
State Minister in Charge of Economic and Fiscal Policy
State Minister in Charge of Postal Services Privatization
State Minister in Charge of Regulatory Reform
State Minister in Charge of Science and Technology Policy
drug czar; Director of the White House Office of National Drug Control Policy; ONDCP