Currently Professor of Viola at the Juilliard School of Music, Heidi Castleman has taught at the Cleveland Institute of Music, the Eastman School of Music, New England Conservatory, SUNY Purchase, Rice University and Philadelphia Musical Academy.
A member of the New York String Sextet (1972-1976), Ms. Castleman also has been guest artist with many ensembles, including the Cleveland, Audubon, Lydian and Cavani Quartets. Recent master class and lecture-demonstrations include those at the Hochschule für Musik in Vienna, the Mozarteum in Salzburg, the Shanghai Conservtory, Great Mountains Music Festival in South Korea, as well as in Montreal, Chicago, Dallas, Interlochen and Boulder.
During summer months Ms. Castleman has taught and performed at the Aspen Music Festival, the Sarasota Music Festival, the Eastern Music Festival, the Banff Centre and the Blossom Music Festival. Since 2001 she has worked with students, ages 12 to 18, at The Perlman Music Program both at the Summer Music School on Shelter Island and since 2005, at the two-week Sarasota Winter Residency at PMP in Sarasota, Florida. In addition, Ms. Castleman also teaches at the Heifetz Institute and at a one week intensive viola workshop, the North American Viola Institute, held in June at the Orford Arts Centre in Orford, Québec.