Bruce Jay Wasserstein (December 25, 1947 – October 14, 2009) was an American investment banker, businessman, and writer. He was a graduate of the McBurney School, University of Michigan, Harvard Business School, and Harvard Law School, and spent a year at the University of Cambridge. He was prominent in the mergers and acquisitions industry, credited with working on 1,000 transactions with a total value of approximately $250 billion.