David Paul Williamson is a professor of operations research at Cornell University,[1] and the editor-in-chief of the SIAM Journal on Discrete Mathematics.[2] He earned his Ph.D. in 1993 from the Massachusetts Institute of Technology under the supervision of Michel Goemans,[3] and is best known for his work with Goemans on approximation algorithms based on semidefinite programming, for which they won the Fulkerson Prize in 2000.[4] He also received the Frederick W. Lanchester Prize in 2013. In 2022 he received the AMS Steele Prize for Seminal Contribution to Research.[5]