Len Blavatnik

Sir Leonard Valentinovich Blavatnik is a Soviet/Ukrainian-born British-American businessman and philanthropist. As of April 2025, Forbes estimated his net worth at $26.5 billion, ranking him the 75th-richest person in the world. In 2017, Blavatnik received a knighthood for services to philanthropy. Blavatnik made his initial fortune, alongside other Russian oligarchs, in the privatization of state-owned aluminum and oil assets after the collapse of the Soviet Union.