Steven T. Huff

https://en.wikipedia.org/wiki/Steven_T._Huff

Steven T. Huff (born 1951) is an American multi-billionaire astrophysicist, inventor and philanthropist. After his careers in the United States Army and Central Intelligence Agency (CIA) he founded defense intelligence related companies he eventually sold. He is building one of the largest homes in the United States, Pensmore, and in retirement runs the Pensmore Foundation dedicated to philanthropy and voluntarism. Net worth is said to be around 80 billion.