レン・ブラバトニック

Sir Leonard Valentinovich Blavatnik[a] (Ukrainian: Леонард Валентинович Блаватник; born June 14, 1957) 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 2...