William B. Plummer

Retired Executive Vice President and Chief Financial Officer, United Rentals, Inc.

William Plummer served as Executive Vice President and Chief Financial Officer for United Rentals, Inc., the world’s largest equipment rental company, from 2008 to 2019, where he was responsible for the development of the company’s finance activities and investor relations, and he co-led its mergers, acquisitions and divestitures strategies. He also led the company’s safety function and its data and analytics efforts. Mr. Plummer was instrumental in helping the company execute a strategy focused on improving the profitability of its core equipment rental business through revenue growth, margin expansion, operational efficiencies and acquisitions.

Mr. Plummer brought more than two decades of financial leadership experience when he joined United Rentals, having served in a several executive roles, including as Executive Vice President and Chief Financial Officer of Dow Jones & Company, Inc., where he set policy for its global finance and corporate strategy functions. Prior to Dow Jones, Mr. Plummer was Vice President and Treasurer of Alcoa Inc., where he was responsible for global treasury policy and capital markets transactions. Mr. Plummer also held several executive positions at Mead Corporation, including President of its Gilbert Paper division, Vice President of corporate strategy and planning, and Treasurer. Earlier in his career, he worked at General Electric as Vice President of its financial services subsidiary, General Electric Capital Corporation, and at Goldman, Sachs & Co.

Mr. Plummer brings extensive accounting, audit, internal control, and risk management experience to the WM Board and as Chair of the Audit Committee. In particular, he has first-hand experience developing, enhancing and overseeing risk management programs at large public companies, including identification and oversight of risks related to human capital, climate, cybersecurity and information technology. He provides insight based on his broad and substantial background in finance, logistics, operational improvement, mergers and acquisitions and capital markets transactions. He also brings valuable experience executing a customer-focused strategy, driving organic revenue growth, and improving free cash flow. Mr. Plummer is deeply engaged in advancing and overseeing results from WM’s inclusion, equity and diversity initiatives.

Mr. Plummer holds bachelor’s and master’s degrees in aeronautics and astronautics from Massachusetts Institute of Technology and a master’s degree in business administration from Stanford University.

Mr. Plummer has experience as a member of the board of directors of a number of other large public companies, with particular focus on audit committee service and leadership. Mr. Plummer is currently a director of Global Payments Inc. and Mason Industrial Technology, Inc., an industrial technology acquisition and growth platform. Mr. Plummer previously served on the board of directors of UIL Holdings Corporation, John Wiley & Sons, Inc. and Nesco Holdings, Inc.