Allen Greenberg is the executive director and president of the Susan Thompson Buffett Foundation, a charitable foundation established and funded by billionaire investor Warren Buffett. Greenberg was a left-of-center legal activist until his marriage to Buffett’s daughter Susie Buffett. As of 2025, they are divorced. ⁵ Greenberg and Susan Alice met in Washington, D.C., but moved to Omaha, Nebraska in the late 1980s. ⁹ The Buffet Foundation was renamed the Susan Thompson Buffet Foundation in 2004 in honor of Warren Buffet’s late wife. ¹¹ 0){ let parent=divs[divs.length-1].parentNode; let footer=divs[divs.length-1]; delete divs[divs.length-1]; for (let i=2; i