One of his greatest achievement is where he was being asked by the French President Mitterand to change life at the Elysées Palace. He turned the Royalton and Paramount in New York into one of the new classics hotel and scattered Japan with his architectural tours de force.
His respect for the environment and for humankind has also been recognized in France, where he was commissioned to design the Ecole Nationale Supérieure des Arts Décoratifs in Paris, the control tower at Bordeaux airport, and a waste recycling plant in Paris metropolitan area.