The Fulbright U.S. Student Program is the largest U.S. exchange program offering opportunities for students and young professionals to undertake international graduate study, advanced research, university teaching, and primary and secondary school teaching worldwide. The program currently awards approximately 1,900 grants annually in all fields of study, and operates in more than 140 countries worldwide. Fulbright U.S. Student alumni populate a range of professions and include ambassadors, members of Congress, judges, heads of corporations, university presidents, journalists, artists, professors, and teachers. Bose Corporation founder Amar Bose, actor John Lithgow, composer Philip Glass, opera singer Renee Fleming and economist Joseph Stiglitz are among notable former grantees.