Ted Lerner

Theodore N. Lerner (born October 15, 1925) is an American real estate developer. He was the managing principal owner of the Washington Nationals baseball team.
He is the founder of the real estate company Lerner Enterprises, the largest private landowner in the Washington metropolitan area as well as Chelsea Piers in New York City.
In 2015, "Forbes" magazine named him the richest person in Maryland.