Saman P. Amarasinghe is a Professor in the Department of Electrical Engineering and Computer Science (EECS) and has served as Co-Education Officer in the department since 2011. He leads the Commit compiler group in the Computer Science and Artificial Intelligence Laboratory (CSAIL), where he is a principal investigator.

Saman's research interests are in discovering novel approaches to improve the performance of modern computer systems and make them more secure without unduly increasing the complexity faced by the end users, application developers, compiler writers, or computer architects. Saman received his BS in Electrical Engineering and Computer Science from Cornell University in 1988, and his MSEE and Ph.D from Stanford University in 1990 and 1997, respectively.

Saman was a co-founder of Lanka Internet Services Ltd., the first ISP in Sri Lanka and the founder of the venture-backed security startup Determina Inc., that was acquired in 2007 by VMware.