Kenneth C. Griffin is an American billionaire hedge fund manager, entrepreneur, and investor, best known as the founder and CEO of Citadel, a global financial institution. Griffin has made significant contributions to the finance industry through his innovative approach to hedge fund management and market making.

Charles Koch is an American billionaire businessman, political donor, and philanthropist. He is known for his role as the chairman and CEO of Koch Industries, one of the largest privately-owned companies in the world, and his significant influence in American politics through his extensive network and charitable donations.

Carlos Slim Helu is a Mexican business magnate, investor, and philanthropist, renowned for his substantial holdings in numerous Mexican companies through his conglomerate, Grupo Carso. He has frequently been ranked among the world's richest individuals by Forbes.

Michael Bloomberg is an American businessman, politician, philanthropist, and author. He is the founder of Bloomberg L.P., served as the Mayor of New York City, and is a notable philanthropist with a focus on public health, education, and environmental initiatives.

Leonid Mikhelson is a prominent Russian billionaire and the CEO and major shareholder of Novatek, one of Russia's largest independent natural gas producers. With extensive experience in the energy sector, Mikhelson has played a pivotal role in shaping Russia's natural gas industry.

David Thomson is the Chairman of Thomson Reuters, a global leader in news and information services. As the 3rd Baron Thomson of Fleet, he is part of the Thomson family, known for their significant influence in the media industry. He is one of the wealthiest individuals in Canada and a prominent figure in global business.