There are thousands of mergers every year and, by some estimates, two-thirds of them either fail or fall far short of expectations. How can leaders keep their merger from becoming a head-on collision? In The Human Side of M&A, Dennis Carey and Dayton Ogden argue that most failed mergers looked good on paper - they made financial and strategic sense - but the crucial human element was neglected or overlooked. Consequently, corporate cultures often clash and wreck any chance that the companies will work harmoniously together. The authors, who have worked with many companies in the process