Dennis Drag is the retired vice president at Moffatt & Nichol, a global infrastructure advisory firm that provides engineering and consulting services to clients in the marine terminal, transportation, energy, environmental, federal, and urban development markets around the world.

In 2005, Drag and his wife Leslie (BA ’67) established the Dennis & Leslie Drag Distinguished Lecture Series that is designed to bring outstanding leaders in the field of civil engineering to the Purdue campus, with a preference for presentations on structural engineering.