Subhash Kak is Regents Professor of Computer Science Department at Oklahoma State University in Stillwater.

Born in Srinagar, Kashmir, Kak was educated in various places in Jammu and Kashmir. He completed his PhD in Electrical Engineering from Indian Institute of Technology, Delhi. During 1975-1976, he was a visiting faculty at Imperial College, London, and a guest researcher at Bell Laboratories, Murray Hill. In 1977, he was a visiting researcher at Tata Institute of Fundamental Research, Bombay. During 1979-2007, he was with Louisiana State University, Baton Rouge where he served as Donald C. and Elaine T. Delaune Distinguished Professor of Electrical and Computer Engineering.

Kak's research has spanned the fields of information theory, cryptography, neural networks, and quantum information. He is the inventor of a family of instantaneously trained neural networks (for which he received a patent) for which a variety of artificial intelligence applications have been found. He has argued that brain function is associated with three kinds of language: associative, reorganizational, and quantum.