Waste Management Inc - Company Profile
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The following section provides information on Waste Management Inc’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into Waste Management Inc's management and employees, unlock the full data with our company analytics monitoring tool.
Executives
Kathleen M. Mazzarella
Chairman Executive BoardMs. Mazzarella has been the Chairman of the company since May 2023. She also serves as a Director at Waste Management since 2015. Ms. Mazzarella has been the Chairman, President, and Chief Executive Officer at Graybar Electric Company (Graybar) since 2013. During her 35-year tenure at Graybar, Ms. Mazzarella has held executive-level positions in sales, human resources, strategic planning, and marketing. She served as an Executive Vice President and Chief Operating Officer from 2010-2012. Ms. Mazzarella has been serving as a Director at the Federal Reserve Bank of St. Louis since 2015.
James C. Fish, Jr.
Chief Executive Officer; Director Executive BoardMr James C. Fish has been the Director and Chief Executive Officer of WM since November 2016. Prior to this, he served as the Chief Financial Officer and Executive Vice President of the company, and held various positions. Previously, he served in various finance and revenue management positions at Westex, Trans World Airlines, and America West Airlines.
David Reed
Executive Vice President; Chief Financial Officer Senior ManagementMr. David Reed has been the Executive Vice President and Chief Financial Officer of the company since November 2025. Prior to this, he served as the Vice President and Business Partner of the company. Previously, he served as Vice President and Treasurer of the company.
Tara J. Hemmer
Chief Operating Officer; Executive Vice President Senior ManagementMs. Tara Hemmer has been the Executive Vice President and Chief Operating Officer of the company since May 2026. Previously, she served various roles within the company, including Chief Sustainability Officer; Area Vice President for the Greater Mid-Atlantic Area; Vice President of Disposal Operations; Safety and Environmental Compliance; Senior Vice President of Operations; and Senior Vice President of Field Operations.
Johnson Varkey
Senior Vice President; Chief Information Officer Senior ManagementMr. Johnson Varkey serves as the Senior Vice President and Chief Information Officer of the company. Prior to this, he served as the Vice President, Enterprise Digital Services. Before this, he served in Chief Information Officer and other technology leadership roles for companies.
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