Old but relevant
They have been Obama's key source of fund-raising—You might call these chief executives the Fab Five. Besides Clark, there's Jarrett of real estate management firm Habitat; Primo of Capri Capital Partners, a commercial real estate developer; Reynolds of Loop Capital Markets, an investment bank; and Rogers of mutual fund outfit Ariel Capital Management. Though each has his or her hands full running a business, they always make time to help each other and the larger black community.
Their spirit of mutual support reflects a mix of Midwestern values and the African concept of Ujamaa, a Swahili word for "extended family" that embodies the value of sharing work and wealth through business relationships.
http://www.nbcnews.com/id/24726748/ns/business-us_business/t/obamas-executive-sounding-board/