This episode of the podcast was recorded live in Phoenix at the 2023 INFORMS Annual Meeting. Keynote speaker Dr. Les Servi shared special insight on his talk, ‘Operations Research and National Security,’ which provided an informative, and dare I say fun, first-hand look at the role of O.R. in National Security! Les is the Chief Scientist Cyber Operations Research at The MITRE Corporation and the immediate Past President of the Military Operations Research Society (MORS), as well as an INFORMS Fellow.  This video has been created with the approval and consent of The MITRE Corporation. The views and opinions expressed in the video are those of the individual featured and do not necessarily reflect the official policy or position of MITRE.