Gracia Billy Yosaphat Y. Mambrasar or nicknamed Billy Mambrasar was born in Serui on December 17, 1988. He become the first Papuan to be accepted at a prestigious campus Harvard University, known as the campus of the American president. At least there are some American presidents graduated from Harvard University, including John Adams, John F. Kennedy, FD Roosevelt, George W. Bush and Barack Obama. Congratulation, Billy.