He is also the Executive Director for North America of The AVI CHAI Foundation, a philanthropy founded by Zalman C. Bernstein. Under Mr. Prager’s leadership since 1994, AVI CHAI has invested over $300 million to benefit the field of Jewish education. Mr. Prager led the North American operation as the Foundation developed its strategic priorities, hired staff and developed philanthropic programs. With AVI CHAI spending down by 2020, Mr. Prager’s leadership shifted in recent years to building collaborations with other funders and capacity building at key grant recipients.