Our Team

Rabbi Yaacov Haber


Rabbi Yaacov Haber has been a leading force in Jewish Education for over 30 years. He was a founding trustee of AJOP, the Association of Jewish Outreach Professionals, the founder and director of the Torah Center of Buffalo, the founder of the Australian Institute of Torah (a project of Kollel Bais HaTalmud), and National Director of Jewish Education for the Orthodox Union in the United States, where he created the internationally acclaimed and highly successful “Pardes Project.” At the same time, he replaced Rabbi Berel Wein as the spiritual leader of Congregation Bais Torah in Monsey, NY, and created TorahLab, a popular educational resource center. Rav Haber is presently Rav of Kehillas Shivtei Yeshurun.

Rabbi Haber can be contacted at yhaber@mosaicapress.com

Rabbi Doron Kornbluth


Rabbi Doron Kornbluth is a bestselling author. His own books have sold almost 50,000 copies and he has helped dozens of authors transform their books from good to great. Rabbi Kornbluth is also a popular tour guide in Israel and a renowned international speaker.

Rabbi Kornbluth can be contacted at dkornbluth@mosaicapress.com

Ari Lieberman

Business Development

Canadian born Ari Lieberman has 30 years experience in consulting, business development, marketing and sales for multinationals worldwide in a range of sectors. He holds an MBA in Marketing from the Fox School of Business, Temple University, Philadelphia, Pa.

Rayzel Broyde

Art Director

Rayzel’s life revolves around creating beautiful graphics and taking care of her family. She manages book design at Mosaica Press from conception to print.

Rayzel can be contacted at rayzel@mosaicapress.com

Ester Malka Becker


Ester Malka lives in Monsey, NY with her husband and five adorable kids. She does the bookkeeping for Mosaica Press in addition to teaching for the Jewish Renaissance Experience of Westchester and taking care of her family.

Mrs. Sherie Gross

Managing Editor

Mrs. Gross has been involved in the Jewish publishing world for over ten years. Mother of nine, grandmother of an ever-growing number of beautiful grandchildren, JME-trained kallah teacher, veteran calligrapher, and long-time lover of books, Mrs. Gross oversees the copyediting and proofreading of Mosaica’s books from edit to print.