Charu C. Aggarwal is a Research Scientist at the IBM T. J. Watson Research Center in Yorktown Heights, New York. He completed his Ph.D. from Massachusetts Institute of Technology in 1996. He has since worked in the field of performance analysis, databases, and data mining. He has published over 200 papers in refereed conferences and journals, and has applied for, or been granted, over 80 patents. He has received the IBM Corporate Award (2003), IBM Outstanding Innovation Award (2008), IBM Research Division Award (2008), and Master Inventor at IBM three times. He is a fellow of the ACM and IEEE.