Matthew Lazar is the Founding Director of the Zamir Choral Foundation and the founder of HaZamir. As the leader of the Jewish choral movement in North America, his superior talents as conductor and interpreter of Jewish music have elevated the standards of Jewish musical performance and educated audiences. In addition to directing the Zamir Chorale, an adult choir, he has also created the Mantua Singers, the Selah Vocal Ensemble, and Shirah: The Community Chorus of the Kaplen JCC on the Palisades. He has inspired the creation of adult choral ensembles throughout the U.S. and, through the Jeanne R. Mandell Fund for New Music, has contributed to the expansion of the choral repertoire through commissions of new music by the finest Jewish composers. Maestro Lazar has also served as guest conductor for multiple symphony orchestras and festivals, and he presents regularly at Carnegie Hall, Lincoln Center, and the other major concert halls across the U.S. and Israel. He has served on the faculties of Columbia University and the Jewish Theological Seminary, is a frequent lecturer and scholar-in-residence, and has made multiple recordings with Zamir and other prominent ensembles.

Vivian Lazar is the Director of HaZamir: The International Jewish Teen Choir. Ms. Lazar was chairman of the English department in a New York City magnet school for the gifted and talented where, for two decades, she taught honors English and dance. Ms. Lazar has created English and writing curricula for private new education initiatives and mentored teachers in the public sector. As an experienced amateur choral singer, Ms. Lazar brings to HaZamir an understanding of the musical and educational value of choral singing. Under her leadership, HaZamir has been increasingly professionalized and has expanded to include a growing number of programs and teens across North America and Israel.