併購
McKeon began his career at First Boston Corporation in the Mergers and Acquisitions Group, later becoming a director. In the 1980s, First Boston's merger and acquisition team was led by Wall Street legends, investment banker Bruce Wasserstein and financier Joseph R. Perella, who orchestrated transactions such as the leveraged buyout of Federated Stores, earning First Boston $200 million in fees. In a "New York Times" 2007 article, Parella was described as "one of the financial industry’s sharpest recruiters" and Wasserstein was described as the biggest star of the dealmakers in the 1980s Mergers and acquisitions (M&amp;A) boom in "The Wall Street Journal". At First Boston, and then at Wasserstein Perella after 1988, Parella and Wasserstein helped create "a dynasty of bankers and executives that has spread throughout Wall Street and corporate America".