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Members of Bechtel’s leadership team for the WTP Project are recognized experts in their fields. They bring decades of experience to the important clean-up mission at Hanford and are committed to the safe design, construction and operation of this vital waste treatment facility.

Peggy McCullough, Project Director

Peggy McCullough, Project Director

Peggy McCullough is project director for the WTP Project at Hanford. Bechtel manages design and construction of WTP for the U.S. Department of Energy’s Office of River Protection. McCullough was named project director in July 2013.

McCullough has three decades of engineering, procurement, construction, startup and commissioning experience, as well as experience in management and operations. She joined Bechtel from the U.S. Nuclear Regulatory Commission in 1988 and has successfully taken on leadership roles on a number of Bechtel projects covering environmental remediation, demilitarization, nonproliferation and global security.

From 2003 to 2006, McCullough was deputy general manager of Bechtel SAIC, the management and operations contractor on DOE’s Yucca Mountain Project. She then served as manager of Functions for the Bechtel division handling government work.

Before being named project director for WTP, McCullough served in Australia as project director of the Daunia Coking Coal Project in Queensland where she took the project to greater than 95 percent completion under budget and ahead of schedule.


Every worker on the WTP Project understands the importance of getting the job done right the first time. They are active members of the Tri-Cities community, and they are committed to protecting the environment and the Columbia River from radioactive and chemical waste threats. Learn more.