Dallas Mavericks Toxic Culture sees change

She's the first African-American woman to lead an NBA team and says she better not be the last. More than a year after being tapped as CEO of the embattled Dallas Mavericks, Cynthia Marshall says she has turned around the organization's culture and has greatly diversified its top ranks.

Marshall was hired by owner Mark Cuban last year to transform the Mavericks after Sports Illustrated exposed a "corrosive workplace culture" at the organization.
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