When large firms are in search of new leadership, oftentimes a former leader is the answer. These are commonly referred to in business as "boomerang CEOs." There have been many high-profile examples of boomerang CEOs being both resounding successes and spectacular failures. So what do the numbers say? Are boomerang CEOs good or bad on average? This is the question Kenan Institute Grant Recipient Travis Howell and UNC Kenan-Flagler Business School Professor of Strategy and Entrepreneurship Chris Bingham addressed in their latest study.