Jacob (Jack) Altman, CPA, CA is a consultant and retired partner at Crowe BGK LLP, a member firm of Crowe Global, the eighth largest accounting network in the world, and is president of J. Altman Investments Inc.

Jack has participated in Montreal community life as treasurer of the Montefiore Club, co-chair of Federation CJA's Elan division and co-chair of the Council on Immigrant Integration and Acculturation. He has also served on the boards of the Donald Berman Maimonides Geriatric Centre Foundation and United Talmud Torahs of Montreal. He is currently vice-president of La Société pour les arts en milieu de santé and a member of the audit committee of Congregation Shaar Hashomayim.

In recent years Jack has become deeply involved in BGU Canada and prior to becoming its president in 2022, he was president of the Quebec Chapter. ​​