Bill McGlashan, chief executive officer and managing partner of TPG Growth LLC, listens during the Bloomberg Invest Summit in New York, U.S. (Photographer: Victor J. Blue/Bloomberg)

Inside a Star Do-Good Investor's Stunning Fall from Grace

(Bloomberg) -- Before a rapt gathering of investors, Bill McGlashan was holding forth on his favorite subject: “impact investing,” which aims to generate lofty social, as well as financial, returns.