The Managerial Economics and Decision Sciences Department (MEDS) is a combination of the Managerial Economics, Decision Sciences and Operations Management Programs.

The faculty of the Kellogg School's MEDS department are world-renowned for their teaching work in probability, work in game theory, decision theory, statistics and microeconomics.

The operations group at the MEDS Department investigates and teaches how to better design and manage processes for competitive advantage.

The MEDS Department is the headquarters for the The MMM Program.