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Gary Pendergrass, PE, RG

Title
Group Leader, Principal Geological Engineer
Expertise
Remediation, Restoration,
Carbon Sequestration,
Landfill Design, Geophysics,
Karst, Groundwater
Characterization, Risk
Communication
Location
Springfield, MO
Hired
2010

When Gary was a 10-year-old farm boy, his family drilled a new well, dredging up lots of limestone cuttings in the process. Gary recalls, “The cuttings were great for building dams and rivers and filling with water. I guess I had engineering and geological tendencies even then.” When he got to college, Gary was a civil engineering major until he took his first geology course, which influenced him to switch majors and go on to earn bachelor and master’s degrees in geological engineering.

In 2010, Gary joined GeoEngineers to build an environmental practice for the company in the Midwest and now leads the Springfield, Missouri office. Gary says he appreciates GeoEngineers’ technical capabilities, use of technology and high level of collaboration among its offices and professionals. He reflects, “This collaboration is very unusual. We can put a team together for almost any project. It may be a 300-person firm, but our synergy makes us a lot bigger.”

Gary’s reputation is based in part on his success on the Eastern Missouri Dioxin Clean-Up project, also known as Times Beach: “It was a massive project with a lot of governmental and community involvement and solved a major problem for the state of Missouri. There were 29 dioxin sites in eastern Missouri and about a dozen in southwest Missouri. We returned all these sites to beneficial use.”

His experience is proving invaluable on the large Missouri Carbon Sequestration Project, which Gary began working on prior to joining the company. GeoEngineers is now the Co-Principal Investigator for the project, which is investigating the feasibility of capturing and storing carbon dioxide generated by coal-burning power plants in geological formations beneath individual power plants rather than emitting the carbon dioxide into the air or transporting it to distant sequestration sites.

For both work and fun, Gary likes to hike, camp and visit geological sites. He admits, “It’s hard for me to drive by a new highway road cut—where you can see all of the rock exposed—without stopping and taking a look.” At home, Gary says he’s always building something or working on home projects.

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