October 7, 2026

Category: News

Montgomery & Associates is pleased to announce that Tim Bayley, Ph.D., principal hydrogeologist in Tucson, has joined the M&A executive team as a vice president.

Tim Bayley

Since 2007, Tim has led major projects encompassing the full range of mining challenges, from site characterization to monitoring and mitigation of impacts to water. In addition to mining clients, Tim has supported water districts, NGOs, and power companies. In his new role as vice president, Tim will support the management of professional staff while continuing to lead M&A’s technical assurance program and AI initiative.

Tim completed a B.S. in geology from Wheaton College before earning an M.S. in watershed hydrology and a Ph.D. in hydrology and water resources from the University of Arizona.

In addition to Tim and Hale, M&A’s executive team includes Mike Rosko and Tim Leo, vice presidents; Jennifer Kreutzer, human resources director; and Gabriela Martinez, controller.

For more information about M&A, visit our leadership,  experts, and services webpages.

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