Prior to joining the MSU Faculty in January 2013, he was with West Virginia University (WVU) as an Assistant Professor from 2003 to 2008 and as an Associate Professor from 2008 to 2012. He also served as the Assistant Site Director of the NSF Center for Identification Technology and Research between 2010 and 2012. Arun received the B.E. (Hons.) degree in Computer Science from the Birla Institute of Technology and Science, Pilani, India, in 1996, and the M.S. and Ph.D. degrees in Computer Science and Engineering from Michigan State University, East Lansing, in 1999 and 2003,respectively.