Martin is an American stock investor, investment advisor and financial analyst. He is, according to Forbes Magazine renowned for his "eccentric and lavish lifestyle" as well having one of the most expensive residences in the United States which was listed on the market a few years ago for $70M.
This 3-story penthouse occupies 12,000 square feet atop the posh Pierre on Fifth Avenue. Sold last for $70,000,000, it is now expected to command $120,000,000. The monthly maintenance charge exceeds $40,000.
That's how the top 0.1% live.
http://ny.curbed.com/places/the-pierre
http://realestalker.blogspot.com/2013/03/weekend-wrap-up-031513-penthouse-at.html
http://realestalker.blogspot.com/2013/04/update-penthouse-at-pierre.html
http://www.sothebyshomes.com/nyc/sales/0018837