Columbia University

WiMNet Lab Director

Gil Zussman

Associate Professor of Electrical Engineering and Computer Science
Member of the Computer Engineering Program
Columbia University
On sabbatical in the School of Computer Science, Tel Aviv University

Office: 811 CEPSR
Phone: +1 212 854 8670 (US), +972 58 501 0605 (Israel)
Email: gil[at]

Postdoctoral Research Scientists

LinkedinIconDr. Guy Grebla

Office: 807 CEPSR
Phone: 212-854-7472
Email: guy[at]

Guy Grebla received the B.A. (Summa Cum Laude) degree in Computer Science from the Technion – Israel Institute of Technology, Haifa, Israel, in 2003. During 2001-2003 he worked for Intel, concentrating on the memory cluster in core 2 mobile processor.  He worked as a software engineer, team leader, and system engineer for IDF, Israel, during 2004-2010. He received the M.A and PhD degree in Computer Science from the Technion – Israel Institute of Techonology in 2011 and 2013, respectively. His PhD research was on the optimization of OFDMA wireless networks.

Ph.D. Students

LinkedinIconTingjun Chen

Wei Family Foundation Fellow
Office: 801 CEPSR
Email: tingjun[at]

Tingjun (Derrick) Chen graduated with B.Eng. degree in Electronic Information Science and Technology from Tsinghua University in July 2014. He is currently a first year Ph.D. student in Electrical Engineering at Columbia University under the advising of Professor Gil Zussman. His research interests are in resource allocation, algorithms and optimization in wireless communication networks, sensor networks, and energy harvesting networks.

LinkedinIconVarun Gupta

Office: 801 CEPSR
E-mail: varun[at]

Varun Gupta completed his undergraduate studies in Electrical Engineering at IIT Delhi and received his M.S. in Electrical Engineering at Columbia University in October 2012. He is currently working towards his PhD. at Columbia University. His research interests include distributed algorithms, data center network design, stochastic modeling.

LinkedinIconCraig Gutterman

NSF IGERT Fellow and NSF Graduate Research Fellow
Office: 801 CEPSR
Email: clgutterman[at]

Craig Gutterman received a B.S in Electrical Engineering (summa cum laude) from Rutgers University in 2012, and an M.S in Electrical Engineering from Columbia in 2013. His current research interests include network sciences, distributed algorithms and mobile network protocols.

LinkedinIconJelena Marasevic

Qualcomm Innovation Fellow
Office: 801 CEPSR
Phone: 212-854-6900
Email: jelena[at]

Jelena Marasevic received her B.S. degree from University of Belgrade, School of Electrical Engineering, in Belgrade, Serbia, in 2011. She received her M.S. degree from Columbia University in New York, NY, in 2012. Her current research interests include algorithms for resource allocation, scheduling and routing in energy harvesting networks, self-configurable mobile networks and communication protocols for the smart grid.

LinkedinIconRobert Margolies

NSF Graduate Research Fellow
Office: 815 CEPSR
Phone: 212-854-3109
Email: rsm2156[at]

Robert Margolies graduated with a B.S. in Electrical Engineering (summa cum laude) from Rensselaer Polytechnic Institute (RPI) in May 2010 and an M.S. in Electrical Engineering from Columbia in May 2011. His current research interests are in cross-layer PHY and MAC layer design and specifically, ultra-low-power MAC design for impulse radio and opportunistic cellular scheduling.

Saleh Soltan

Office: 808 CEPSR
Email: saleh[at]

Saleh Soltan received his B.S in Electrical Engineering and Pure Mathematics (double major) from Sharif University of Technology, Tehran, Iran in 2011, and his M.S. in Electrical Engineering from Columbia University in the City of New York, NY in 2012. His research interests include Network Sciences, Graph Theory and Complexity Analysis. His current focus is on cascading failures in power grids and their interdependencies with communication networks.

M.S. and Undergraduate Students

Rel Fogel

Electrical Engineering M.S. Student (Tesla Scholar)
Email: fogelrel[at]

Rama Subbaraya Kompella

Electrical Engineering M.S. Student
Email: rk2797[at]

Marc Kurtz

REU student from City College of the City University of New York
Email: mkurtz00[at]

Raphael Norwitz

Computer Science Undergraduate Student
Email: rsn2177[at]

Savvas Petridis

Computer Science Undergraduate Student
Email: sdp2137[at]

Alexandre Simoes

Visiting Undergraduate Electrical Engineering Student from Universidade de Sao Paulo via the Brazil Scientific Mobility Program
Email: alexsimoesgomes[at]

Preetish Tilak

Visiting Electrical Engineering Student from Purdue University
Email: preetisht[at]