Babak H. Khalaj received his B.Sc. degree from Sharif University of Technology, Tehran, Iran, in 1989, and the M.Sc. and Ph.D. degrees from Stanford University, Stanford, CA, in 1993 and 1996, respectively, all in Electrical Engineering. He joined KLA-Tencor in 1995 as a Senior Algorithm Designer working on advanced processing techniques for signal estimation. From 1996 to 1999, he was with Advanced Fiber Communications and Ikanos Communications. Since then, he has been a Senior Consultant in the area of Data Communications, and a visiting professor at CEIT, San Sebastian from 2006 till 2007. Dr. Khalaj has also been the recipient of Alexander von Humboldt Fellowship in the year 2007-2008. He has also been a senior member of Advanced Communications Research Institute (ACRI) at Sharif University. He was the Co-Editor of the Special Compatibility Standard Draft for ANSI-T1E1 group from 1998 till 1999, and he is the author of two U.S. patents and many papers in signal processing and digital communications.