Elected to the Board by the self-perpetuating board August 1, 2014 and re-elected December 11, 2019. Term expires March 2026. Educated at UVM, BS, Civil Engineering, 1981; MIT, SM, Transportation 1985; MIT, PhD, Civil Engineering (Transportation and Operations Research), 1988. Barnhart, a Ford Professor of Engineering, serves as Chancellor and as Professor of Civil and Environmental Engineering and Operations Research, with a joint appointment in the Sloan School of Management, at MIT. She previously served as associate and acting dean of the School of Engineering and co-directed both the Operations Research Center and the Center for Transportation and Logistics at MIT. Her former UVM affiliations include serving as a member of the advisory board for Civil and Environmental Engineering and for the College of Engineering and Mathematical Sciences. She is an elected member of the American Academy of Arts and Sciences and the National Academy of Engineering; a fellow of the Institute for Operations Research and the Management Sciences; and currently serves as an elected member on the board of trustees at the Alfred P. Sloan Foundation. She formerly served as president of INFORM's Forum on Women in Operations Research and Management Sciences and as president-elect/president/past-president of INFORMS. She has been awarded numerous prizes including the Presidential Young Investigator Award from the National Science Foundation, the INFORMS First Prize Award for Best Paper in Transportation Science & Logistics, and the INFORMS award for the Advancement of Women in Operations Research and Management Science.