D. Joseph Duncan II, P.e.

D. Joseph Duncan II, P.E. began their work experience as a Graduate Engineer at Trihydro Corporation in January 1995, before transitioning to the role of Project Engineer at Wenck in June 1995. In October 1997, they joined Bolton & Menk, Inc., where they currently hold the position of Principal Engineer. The specific end dates for each role are not provided.

D. Joseph Duncan II, P.E. holds a Bachelor of Science (BS) degree in Civil Engineering from South Dakota State University. D. Joseph further pursued their education at the same institution and obtained a Master of Science (MS) degree in Civil & Environmental Engineering. The years of their education indicate that they completed their BS degree between 1989 and 1993, followed by the completion of their MS degree between 1993 and 1994.