Hakan Erdogan is a research scientist at Google Research. He received his B.S. degree in Electrical Engineering and Mathematics in 1993 from METU, Ankara and his M.S. and Ph.D. degrees in Electrical Engineering: Systems from the University of Michigan, Ann Arbor in 1995 and 1999, respectively. He was with the Human Language Technologies group at IBM T.J. Watson Research Center, NY between 1999 and 2002. He was a faculty member at Sabanci University in Istanbul, Turkey, between 2002-2016. From 2014 to 2015, he was a visiting researcher at Mitsubishi Electric Research Laboratories (MERL), in Cambridge, MA, USA. He worked at Microsoft Research between 2016-2018. His current research interests are audio source separation and speech enhancement.