Oren received the B.Sc., M.Sc, and PhD degrees in Electrical Engineering from the Technion-Israel Institute of Technology, Haifa, Israel, in 1989, 1991, and 2005, respectively.

During 1991-1996 he served in the Israel Defense Forces (IDF) in the capacity of a research engineer. During 1998-2002 he was the Vice President of Research and Development (VP R&D) and later the Chief Technical Officer (CTO) of Surf Communication Solutions Ltd., Yokneam, Israel. Soon after he co-founded and managed Kolvirtech Ltd., Pardes-Hana, Israel, a consultant and outsourcing company. From April 2005 to October 2006 he was a visiting research fellow at the Center for Wireless Communications and Signal Processing Research (CWCSPR), NJIT, Newark, New Jersey. From November 2006 to October 2008 he has been a visiting research fellow at the Electrical Engineering department of Princeton University, Princeton, New-Jersey. Oren has joined the Search Sciences group of Yahoo! Labs Israel in 2009. He is also a research collaborator of the Electrical Engineering department of Princeton University.

Oren is a recipient of the European Community (EC) Marie-Curie Outgoing International Fellowship (OIF), he was the co-recipient of the first IEEE Information Theory Society ISIT best student paper award (2007), and the co-inventor of several patents in the field of communications. His current main research interests are scientific aspects of Internet search technologies, and information theoretical aspects of cooperative wireless networks.