Roger W. Petersen currently is a professor of composition and theory at Mahidol University in Bangkok, Thailand.  A San Francisco native, he holds a DMA degree from Michigan State University, a MM degree from the San Francisco Conservatory of Music, and a BFA degree from Sonoma State University.  He studied composition with Ricardo Lorenz, Elinor Armer, and Will Johnson.  Commissions have come from the Thailand Philharmonic Orchestra, Contemporary Enclave, San Francisco International Music Festival, Schola Cantorum of San Francisco, H2 Quartet, Bay Area Composers’ Circle, and MSU Wind Symphony.  He has written music for orchestra, wind symphony, chamber ensembles, chorus, solo instruments, and the stage.  His music has been performed internationally and as part of numerous festivals, including the 2010 CMS National Conference, 2008 World Saxophone Congress, 2010 San Francisco International Music Festival, 2011 International Saxophone Symposium, and 2008 North American Saxophone Alliance.  His current composition projects include a set of piano duets to be premiered this summer at the San Francisco International Music Festival, a work for John Madden and the MSU Symphonic Band to be premiered in the Spring of 2012 and a saxophone concerto for Joseph Lulloff to be premiered by the Thailand Philharmonic Orchestra in 2012.