Klarman Family Foundation

Headshot of Jonathan Horowitz smiling at the camera


Jonathan serves as Director, National and Democracy Initiatives at The Klarman Family Foundation. The Foundation seeks to identify areas of unmet need and to advance solutions to addressing them. Underlying all of the Foundation’s work is a passionate belief in the promise and importance of creative thinking, strategic leadership, and strong organizations to help bring about change. As a way to learn and create greater impact, the Foundation values acting in partnership with other funders. Its work spans regionally, nationally and internationally and focuses on ensuring a healthy democracy; advancing understanding of the biological basis of health and illness; supporting the Jewish community and Israel; and expanding access to vital services and enrichment opportunities in Greater Boston. Core to the Foundation’s values is a commitment to building social cohesion and addressing hate within and across communities.

Prior to joining the Foundation, Jonathan served as a vice president of global philanthropy at JP Morgan Chase & Co, managing the firm’s New York area grantmaking in the fields of financial empowerment and economic development. Jonathan serves on the boards of Footsteps and UpStart. He earlier served on the boards of Joshua Venture Group and Slingshot Fund, co-chaired the New York Grantmakers in the Arts, and served on the executive committees for NYC Workforce Funders and the Hive Digital Media Learning Fund. Jonathan earned an MPA from New York University and a BA from Brandeis University.