Leona Helmsley

Billionaire businesswoman, known as the tryannical Queen of Mean, owner of Dunnellen Hall mansion
1920-2007 (87)

Michael Bloomberg living

Billionaire entrepreneur, greentech investor, climate change, founder of Bloomberg L.P. software for trading stocks at computer terminals, politician, 108th mayor of New York City (NYC), philanthropist
1942- (82)
bloomberg.org

Teddy Forstmann

Billionaire financier, co-founder of Forstmann Little & Company, CEO of IMG Entertainment
-2011