Alejandro Ribeiro has been an Assistant Professor at the department of Electrical & Systems Engineering at the University of Pennsylvania, Philadelphia, PA since July 2008. He received his B.Sc. degree in Electrical Engineering from Universidad de la Republica Oriental del Uruguay, Montevideo, Uruguay in 1998. Between 2003 and 2008 he was at the Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN where he received his M.Sc. and Ph. D. degrees in Electrical Engineering in May 2005 and May 2007. From 1998 to 2003 he was a member of the Technical Staff at Bellsouth Montevideo. His research interests lie in the areas of communication, signal processing and networking. His current research focuses on wireless communications and networking, distributed signal processing and wireless sensor networks. Dr. Ribeiro received best student paper awards at ICASSP 2005 and ICASSP 2006. Mr. Ribeiro is a Fulbright Scholar.