Sheldon Adelson and Paul Steelman, were both involved in the building industry in what area?
Paul Steelman: Paul Curtis Steelman, a native of Atlantic City, is an American architect that is recognized as a visionary designer of global entertainment, hospitality, and gaming architecture based in Las Vegas, Nevada and Macau. Sheldon Adelson:  He is the founder, chairman and chief executive officer of Las Vegas Sands Corporation, which owns the Marina Bay Sands in Singapore, and is the parent company of Venetian Macao Limited, which operates The Venetian Resort Hotel Casino and the Sands Expo and Convention Center.
Las Vegas, Nevada