Howard Schultz began his third stint as Starbucks Corp. CEO on April 4, this time in an interim capacity, and that brings with it reason for concern, says UNC Entrepreneurship Center Faculty Director and UNC Kenan-Flagler Business School Professor Chris Bingham. Research by Bingham and colleagues Professor Brad Hendricks and UC Irvine Paul Merage School of Business’ Travis Howell shows that stock performance is about 10% worse under so-called boomerang CEOs than under CEOs taking a position for the first time.