In this article ATGE Fahmi Quadir, chief investment officer and founder of Safkhet Captial LP, speaks during the Context Leadership Summit in Las Vegas, Nevada, U.S., on Wednesday, May 9, 2018. Bridget Bennett | Bloomberg | Getty Images WASHINGTON — Short seller Fahmi Quadir has found her new target: The $2 billion market cap Adtalem Global Education, a publicly traded, for-profit education company that operates institutions including online college Walden University, the nursing school Chamberlain Universi ...