BM, MM, Manhattan School of Music. Voice studies with John Brownlee; opera and concert coaching with Kurt Adler, George Schick, Otto Herz, and Isaac Van Grove. Acting with Rose Lanver, Felix Brentano, Henry Butler, and Ludwig Donath.

Principal tenor with leading opera companies, including the Metropolitan Opera, New York City Opera, and Salzburg Opera. Numerous recitals and appearances in oratorios and as soloist with leading orchestras. Director of Vocal Education for Opera På Skäret in Sweden and Faculty, American Institute of Musical Studies in Graz, Austria. Former head of voice department, Syracuse University. Voice faculty, Mannes College The New School for Music since 1974. Chair, Mannes Voice Department, 1998-2001. Artistic director, Mozart Opera Project, founded in 1979.  Author of articles for Music Journal, Nats Journal, and Classical Singer Magazine. Author of Singing: The First Art,  published by Scarecrow Press in 2007. Mr. Marek’s students have appeared in leading roles at La Scala, the Metropolitan, Chicago, San Francisco, New York City, Paris Opera Bastille, Stockholm, and Teatro Colón Operas.