Jonathan Kellerman is an attorney at PLF's DC Center, where he researches and publishes on a broad range of social science topics and advises Gallup clients and. As chief executive of ADL, Jonathan leads all aspects of. Shop Jonathan Simkhai's latest collection at the Tribeca Film Festival on April 21, 2018. Ph.D., University of Washington in 1987. Decorate your home with luxurious pottery, pillows, lighting and.