Jonathan Kessler is a highly influential and long-serving senior official at the American Israel Public Affairs Committee (AIPAC), a prominent pro-Israel lobbying organization in the United States. He joined AIPAC in 1983 and has since played a pivotal role in shaping the organization's political engagement and grassroots activism. As Director of Leadership Development and previously Director of Grassroots & Political Affairs, Kessler has been instrumental in cultivating a nationwide network of pro-Israel advocates, overseeing initiatives that include campus organizing and training programs designed to empower future leaders in advocacy for the U.S.-Israel relationship. He has worked closely with AIPAC's CEO, Howard Kohr, on strategic initiatives and advocacy efforts aimed at strengthening the alliance between the United States and Israel through robust political action and public education. His work has focused on mobilizing public support and influencing policy makers through a highly organized and effective grassroots approach. He is recognized for his expertise in developing and executing strategies that translate pro-Israel sentiment into tangible political influence. Kessler is known for his role in shaping AIPAC's political engagement and grassroots activism.