Mikhail Prokhorov was the chairman of Polyus Gold from 1999 to 2003.
WHHS can refer to  :. WHHS. WHHS. WHHS -LRB- radio station -RRB-. WHHS. WHHS. Walnut Hills High School. Walnut Hills High School. Walnut Hills High School ( Cincinnati, Ohio ). West Haven High School. West Haven High School. West Haven High School. West Hempstead High School. West Hempstead High School. West Hempstead High School. West Hills High School. West Hills High School. West Hills High School. Westchester Hebrew High School. Westchester Hebrew High School. Westchester Hebrew High School. Western Heights High School. Western Heights High School. Western Heights High School. Western Hills High School -LRB- disambiguation -RRB- , several schools. Westmont Hilltop High School. Westmont Hilltop High School. Westmont Hilltop High School. Wilmer Hutchins High School. Wilmer Hutchins High School. Wilmer Hutchins High School. Winter Haven High School. Winter Haven High School. Winter Haven High School