Len Blavatnik

Sir Leonard Blavatnik (Russian: Леонид Валентинович Блаватник, romanized: Leonid Valentinovich Blavatnik; born June 14, 1957) is a 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.

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.

He owns most of Warner Music Group via his privately held Access Industries.

In 2017, Blavatnik received a knighthood for services to philanthropy.