Leo Treitler was born in 1931 in Dortmund, Germany and emigrated to the U.S. in 1938. He has studied at University of Chicago, Berlin Academy of Music, and Princeton University. His principal academic positions have been at University of Chicago, Brandeis University, Stony Brook University, CUNY Graduate Center. He has had visiting appointments at Princeton, University of California Berkeley, Columbia, Yale, Harvard, NYU, Goethe University Frankfurt, Basel University. He is retired from CUNY as Distinguished Professor Emeritus, 2003. He lives with wife, artist Mary Frank, in New York City and Woodstock.