Debasis Mitra (born November 3, 1944 in Kolkata) is an Indian-American mathematician, known for his numerous contributions to the theory of communication systems, control theory and queueing theory. He got his B.Sc. (1964) and Ph.D. (1968) in electrical engineering from University of London, on an Atomic Energy Research fellowship (1965–67), while he was simultaneously affiliated with the Control systems center at the University of Manchester. His work focused on control of nuclear power systems.He then joined Bell Labs as a member of the technical staff (1968), working on semiconductor networks, diffusion models for service adoption andtraffic modeling. Mitra was head of Mathematics of Networks and Systems research division (1986–99), and was vice president of the math and algorithmic sci