Oliver Eaton Williamson was the Edgar F. Kaiser Professor Emeritus of Business, Economics, and Law at the University of California, Berkeley, and a pioneering figure in transaction cost economics and the economic analysis of organizations. His groundbreaking research explained why firms exist and how they should organize their activities by examining the costs of different governance structures. Williamson demonstrated that organizations emerge not just to coordinate production but to economize on transaction costs, including the costs of negotiating, monitoring, and enforcing agreements. In 2009, Williamson was awarded the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel, shared with Elinor Ostrom, for his analysis of economic governance, especially the boundaries of the firm.

