ASCENT Graduates

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Rivka Levitan

CUNY - Brooklyn College (Formerly Columbia University)

rlevitan@brooklyn.cuny.edu

Rivka Levitan was a Postdoctoral Researcher at Columbia University working with Professor Julia Hirschberg in the Spoken Language Processing Group. She also received her Ph.D. in Computer Science from Columbia University. She defended her dissertation, Acoustic-Prosodic Entrainment in Human-Human and Human-Computer Dialogue, in July. Rivka was a Postdoc in the Spoken Language Processing Group, working on BOLT, a spoken language translation project. In January 2015, she joined the Computer Science Department at CUNY Brooklyn College as an assistant professor of Computer and Information Science.

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Colin McAuliffe

Altair (Formerly Columbia University)

Colin McAuliffe was a Postdoctoral Research Scientist in the Columbia University Department of Civil Engineering and Engineering Mechanics. He received his Bachelor of Engineering (B.E.) in Civil Engineering from the Stevens Institute of Technology, and his M.S. in Civil Engineering, his M.Phil. in Engineering Mechanics, and his Ph.D. in Engineering Mechanics from Columbia University. His research is dedicated to numerical modeling of fracture and shear banding in metals subjected to high rate loading. This entails development and evaluation of new models for shear banding and fracture, as well as the requisite numerical procedures for solving such models. Numerical aspects of failure modeling that are of particular interest include nonlinear solution methods, regularization procedures, high performance spacial and temporal discretizations, efficient and scalable preconditioned linear solvers, and mixed finite element methods. His other research interests include multiphysics and multiscale computation, nonlinear continuum mechanics, composite and biomaterials, and isogeometric analysis. In June 2015, he accepted a position as a Research Scientist with Altair.

Nicholas Ruozzi

University of Texas at Dallas (Formerly Columbia University)

nicholas.ruozzi@utdallas.edu

Nicholas Ruozzi was a Postdoctoral Research Scientist and an Adjunct Assistant Professor at the Institute for Data Sciences and Engineering at Columbia University. In the spring of 2015, he will join the University of Texas at Dallas as an assistant professor of computer science. His current research interests include combinatorial optimization, large-scale graphical models, approximate counting and inference, and belief propagation style message-passing algorithms with an emphasis on applications in machine learning, statistical physics, and artificial intelligence. Nicholas received a B.S. in computer science from Cornell University and a Ph.D. in computer science from Yale University. Before joining Columbia University, he was a Postdoc at EPFL in Lausanne, Switzerland. In January 2015, Nicholas joined the faculty at the University of Texas, Dallas, as an Assistant Professor in the Computer Science Department.

Guy Grebla

Google (Formerly Columbia University)

Guy Grebla received his B.A. (Summa Cum Laude) degree in Computer Science from the Technion – Israel Institute of Technology, Haifa, in 2003. From 2001 to 2003, he worked for the Intel Research and Development Center in Haifa, Israel, concentrating on the memory cluster in the Core 2 mobile processor. He worked as a software engineer, team leader, and system engineer for IDF, Israel, from 2004 to 2010. He received his M.A. and Ph.D. degrees in Computer Science from the Technion – Israel Institute of Techonology in 2011 and 2013, respectively. His Ph.D. dissertation, entitled “Scheduling Algorithms for OFDMA Broadband Wireless Networks," was done under the supervision of Professor Reuven Cohen. In August 2015, Guy accepted a position as a software engineer at Google Maps in New York City.

Yinzhi Cao

Lehigh University (Formerly Columbia University)

Yinzhi Cao was a Postdoctoral Researcher in the Computer Science Department at Columbia University. He works in the Software Systems Lab under the advisement of Professor Junfeng Yang. Yinzhi received his B.S. degree in Electronics Engineering from Tsinghua University in Beijing, China and his Ph.D. in Computer Science from Northwestern University. He is a program committee member and journal reviewer for the IEEE. His research interests include web security, language-based security, and network management, measurement, and reliability. In August of 2015, Yinzhi joined the faculty of Lehigh University as an Assistant Professor of Computer Science.