With more than 40 years of experience, Mahan’s background includes the study, design, operation, and construction of water and wastewater facilities, as well as regulatory oversight for public facilities. Mahan has served as program manager for many large-scale water and wastewater infrastructure projects, including utility relocation, water storage facility design and evaluation, treatment plant rehabilitation, and water and wastewater pumping station evaluation, rehabilitation, and design. He has worked primarily in the Hampton Roads region and the Virginia Peninsula under long-term contracts with the Hampton Roads Sanitation District and the region’s municipalities.

“Ali’s extensive experience in the water/wastewater market in the Hampton Roads region will be key to our continued growth in the area, and we’re thrilled to welcome him to Dewberry,” says Dewberry Vice President Dan Villhauer, PE.

Mahan earned a bachelor’s degree in civil engineering from the Virginia Military Institute (1980). He is a member of the American Water Works Association (AWWA) where he has held numerous leadership positions, including Virginia national director, Virginia section chair, Virginia section treasurer, and diversity and member inclusion committee chair. Mahan is also a member of the Water Environment Federation and received the AWWA George Warren Fuller Award in 2013 and the Virginia AWWA Herbert W. Evans, Jr. Distinguished Service Award in 2016.