Paul Martin, and Brian Mulroney, U.S. Secretary of State Rex Tillerson, economic advisor Gary Cohn, U.S. Secretary of Commerce Wilbur Ross, son-in-law of Vladimir Putin, Madonna, Paul Allen, President of Colombia Juan Manuel Santos, Jean-Jacques Annaud, Carlos Slim, Chancellor of Austria Alfred Gusenbauer, Prince Charles, President of Ukraine Petro Poroshenko, Prime Minister of Japan Yukio Hatoyama, President of Liberia Ellen Johnson Sirleaf, Shakira, Bollywood actor Amitabh Bachchan, Prime Minister of Pakistan Shaukat Aziz, and sons of Prime Minister of Turkey Binali Yıldırım.