Read MoreThe young & the restless: Activism's rising stars  People in and around the investment world figure prominently in the class of 187 hotshots under the age of 40.  From private equity, there's Sean Klimczak, a senior managing director at Blackstone Group who focuses on power projects. Klimczak helped lead the firm's investment in the Bujagali hydroelectric dam in Uganda, for example, a project that boosted economic growth by nearly doubling the country's electricity capacity.  Also from the PE industry is Hua Fung Teh, a former F16D fighter aviator in the Singaporean Air Force who's now a vice president at PE giant TPG Capital who helps find investments in Southeast Asia. There's also Genevieve Sangudi, a Tanzanian who grew up in Boston and is now head of West Africa for the Carlyle Group. Sangudi is based in Lagos, Nigeria for Carlyle, one of the large private equity firms starting to invest on the continent.  From banking, there's Max Neukirchen, a finance PhD who became the head of corporate strategy at JPMorgan Chase in 2013 after more than a decade as a banking expert at consulting giant McKinsey & Co.  There's also Karen Fang, a managing director at Bank of America Merrill Lynch who helps clients hedge their risk across asset classes. Fang, born in China, is a former ballerina who went to college in Japan and then started at Merrill Lynch in 1998 working to structure derivatives.  And there's Kathryn Koch, the head of global portfolio solutions at Goldman Sachs. Koch worked under former asset management head Jim O'Neill and helped him promote the idea of the "BRICs"—Brazil, Russia, India and China—as important growth markets starting in the early 2000s, according to a profile in The National.  From hedge funds, there's Ashish Goyal, a portfolio manager at London-based BlueCrest Capital Management. Goyal, who is blind, used to manage risk for JPMorgan. He calls himself a "thinker by obsession, and lover of good things in life as a passion" on his Twitter account, @insaneodyssey.  And for venture capital, there's Connie Chan, the head of Asia and consumer-related technology investments for prominent Menlo Park, California-based investor Andreessen Horowitz. A Stanford educated partner at the firm, her LinkedIn profile says she seeks "industry experts, great entrepreneurs and very cool ideas!"  Read MoreHow much? $43 hot dogs at Davos
The World Economic Forum has named its "Young Global Leaders"--including many financial types--and expect them to be forces for global good.