Virginia Marie "Ginni" Rometty is an American business executive. She is the current chairman, president, and CEO of IBM, and the first woman to head the company. Prior to becoming president and CEO in January 2012, she held the positions of senior vice president and group executive for sales, marketing, and strategy at IBM. She joined IBM as a systems engineer in 1981.
Aubrey Kerr McClendon was an American businessman and the founder and chief executive officer of American Energy Partners, LP. He also co-founded Chesapeake Energy, serving as its CEO and chairman. He was an outspoken advocate for natural gas as an alternative to oil and coal fuels. He was a pioneer in employing fracking, a controversial fuel extraction technique which has been widely criticized on environmental grounds.
Masayoshi Son is a Japanese businessman of Korean descent who is the founder and current chief executive officer of Japanese telecommunications corporation SoftBank, the chief executive officer of SoftBank Mobile, current chairman of U.S.-based Sprint Corporation and chairman of U.K.-based Arm Holdings. According to Forbes magazine, Son's estimated net worth is US $23 billion and he is the richest man in Japan, despite having the distinction of losing the most money in history . Forbes also describes him as a philanthropist.