Mr. Clark, an aviation buff who says his "zen space is at 41, 000 feet, " co-founded Aviation Partners in 1991.

WSJ: Air War: 'Winglet' vs. 'Sharklet'

Leave your shoes, phone, camera and any other electronics outside and enter the Zen-like space.

BBC: Silence is golden at Selfridges

He created 3, 500 square feet of ultra modern, zen-inspired indoor living space that includes a glass-paneled kitchen, remote-controlled dining room table and master bed, and a living room atrium open to the sky.

FORBES: A Zen-Inspired Penthouse In Manhattan's Most Expensive Zip Code (VIDEO)