Faculty Alumni

Sam Buchanan

TTIC from 2022-2025

Research Interests: High-dimensional data analysis, signal processing, optimization, deep learning

Affiliation as of 2025: Postdoctoral Scholar, UC Berkeley

Saeed Sharifi-Malvajerdi

TTIC from 2022-2025

Research Interests: Machine learning with ethical and societal constraints. More precisely: Algorithmic Fairness, Privacy-preserving Data Analysis, Machine Unlearning (Data Deletion), Adaptive Data Analysis, Learning Theory, Algorithmic Game Theory.

Affiliation as of 2025: ML Research team, Morgan Stanley

Ohad Trabelsi

TTIC from 2022-2025

Research Interests: Fine-Grained Complexity and Design of Algorithms, focusing on classic problems such as Max-Flow.

Affiliation as of 2025: Faculty member, Department of Computer Science, University of Haifa

Ali Vakilian

TTIC from 2022-2025

Research Interests: Design and Analysis Algorithms for Massive Data, Learning Based (aka Data Driven) Algorithm Design and Algorithmic Fairness.

Affiliation as of 2025: Assistant Professor, Department of Computer Science, Virginia Tech

Hongyuan Mei

TTIC from 2021-2024

Research Interests: Machine learning, neural probabilistic modeling, time series, natural language processing

Affiliation as of 2025: Member of Technical Staff at xAI

Siddharth Bhandari

TTIC from 2022-2025

Research Interests: Coding theory, information theory, sampling algorithms, treatment effect estimation.

Affiliation as of 2025: Applied Scientist at Amazon Research

Jungo Kasai

TTIC from 2023-2025

Research Interests: Natural language processing, machine learning, artificial intelligence.

Affiliation as of 2025: Co-Founder & CTO, Kotoba Technologies, Inc.

Tianhao Wang

TTIC from 2024-2025

Research Interests: High-dimensional statistics and learning, deep learning theory

Affiliation as of 2025: Assistant Professor, Halıcıoğlu Data Science Institute, UC San Diego

Jiawei Zhou

TTIC from 2023-2024

Research Interests: Natural language processing and understanding, related machine learning problems, deep learning on structured data such as graphs, and broad data-driven applications.

Affiliation as of 2024: Assistant Professor, Department of Computer Science, Stony Brook University

Lingxiao Wang

TTIC from 2021-2024

Research Interests: Machine learning, privacy-preserving machine learning, nonconvex optimization.

Affiliation as of 2024: Assistant Professor, Department of Computer Science, New Jersey Institute of Technology

Emily Ruth Diana

TTIC from 2023-2024

Research Interests: Algorithmic Fairness, Proxy Attributes, Statistical Learning Theory, Applied Machine Learning.

Affiliation as of 2024: Assistant Professor, Tepper School of Business, Carnegie Mellon University

Theodor Misiakiewicz

TTIC from 2023-2024

Research Interests: Deep learning theory, kernel methods, high-dimensional statistics, computational aspects of statistical learning.

Affiliation as of 2024: Assistant Professor, Department of Statistics and Data Science, Yale University

Lee Cohen

TTIC from 2022-2023

Research Interests: Machine learning theory, with a particular interest in problems that relate to societal challenges.

Affiliation as of 2023: Postdoctoral Scholar, Stanford University

Kartik Goyal

TTIC from 2021-2023

Research Interests: Machine Learning, Natural Language Processing, Probabilistic modeling of structured data, and problems in Digital Humanities like Computational Bibliography.

Affiliation as of 2023: Assistant Professor, Georgia Institute of Technology, School of Interactive Computing

Brian Bullins

TTIC from 2019-2022

Research Interests: Higher-order methods for machine learning, convex and non-convex optimization, online learning.

Affiliation as of 2022: Assistant Professor, Purdue University, Department of Computer Science

Saeed Seddighin

TTIC from 2020-2022

Research Interests: Approximation algorithms and algorithmic game theory.

Affiliation as of 2022: Jump Trading

Bradly Stadie

TTIC from 2020-2022

Research Interests: Reinforcement learning, learning from demonstrations, meta learning, causal inference.

Affiliation as of 2022: Assistant Professor at Northwestern, Department of Statistics and Data Science

Raymond A. Yeh

TTIC from 2021-2022

Research Interests: Machine Learning and Computer Vision

Affiliation as of 2022: Assistant Professor, Purdue University, Department of Computer Science

Michael Yu

TTIC from 2018-2022

Research Interests: Computational biology, with a focus on interpretable machine learning methods based on biological networks and ontologies. Applications to cancer-microbiome interactions and clinical datasets.

Affiliation as of 2022: Senior Applied Scientist, Amazon

Audrey Sedal

TTIC from 2020-2021

Research Interests: Soft robotics, computational mechanics.

Affiliation as of 2021: Assistant Professor, McGill University, Dept. of Mechanical Engineering

Filip Hanzely

TTIC from 2020-2021

Research Interests: Randomized optimization methods for machine learning

Mina Karzand

TTIC from 2020-2021

Research Interests: Machine Learning, Information Theory, Statistics, Theoretical Computer Science, and Applied Probability Theory.

Affiliation as of 2021: Assistant Professor, UC Davis

Arturs Backurs

TTIC from 2018-2021

Research Interests: Fine-grained complexity and machine learning

Affiliation as of 2021: Senior Researcher, Microsoft Research

Steve Hanneke

TTIC from 2018-2021

Research Interests: Statistical learning theory, active and interactive learning

Affiliation as of 2021: Assistant Professor, Purdue University

Sepideh Mahabadi

TTIC from 2018-2021

Research Interests: Theoretical Foundations of Massive Data

Affiliation as of 2021: Senior Researcher, Microsoft Research

Thatchaphol Saranurak

TTIC from 2018-2020

Research Interests: Dynamic data structures on graphs, Graph algorithms in near-linear and sub-linear time, Self-adjusting data structures.

Affiliation as of 2021: Assistant Professor, University of Michigan

Sam Wiseman

TTIC from 2018-2021

Research Interests: Natural language processing and machine learning, especially deep structured prediction and text generation.

Affiliation as of 2021: Assistant Professor, Duke

Mrinmaya Sachan

TTIC from 2019-2020

Research Interests: Machine learning for natural language processing, knowledge representation and reasoning.

Affiliation as of 2020: Assistant Professor, ETH Zurich

D.J. Sutherland

TTIC from 2019-2020

Research Interests: Machine learning, representation learning, statistical learning theory.

Affiliation as of 2020: Assistant Professor, University of British Columbia

Suriya Gunasekar

TTIC from 2016-2019

Research Interests: Machine learning in high dimensional settings

Affiliation as of 2019: Senior Researcher, Microsoft Research at Remond

Mark Hallen

TTIC from 2016-2019

Research Interests: Computational protein and drug design

Affiliation as of 2019: Chief Technology Officer at Gavilan Biodesign

Mesrob Ohannessian

TTIC from 2016-2019

Research Interests: Machine learning, statistics, and information theory.

Affiliation as of 2019: Assistant Professor, University of Illinois at Chicago

Karl Stratos

TTIC from 2017-2019

Research Interests: Natural Language Processing and Machine Learning

Affiliation as of 2019: Assistant Professor, Rutgers University

Aly Azeem Khan

TTIC from 2014-2019

Research Interests: Computational biology, systems immunology, and machine learning

Affiliation as of 2022: Assistant Professor, University of Chicago

Allyson Ettinger

TTIC from 2018-2019

Research Interests: Natural language processing and cognitive modeling

Affiliation as of 2019: Assistant Professor, University of Chicago

Srinadh Bhojanapalli

TTIC from 2015 to 2018

Research Interests: Machine Learning and Optimization

Affiliation as of 2018: Google Research NYC

Li-Yang Tan

TTIC from 2015 to 2018

Research Interests: Theoretical computer science

Affiliation as of 2018: Assistant Professor, Stanford

Michael Maire

TTIC from 2014 to 2018

Research Interests: Computer vision and machine learning

Affiliation as of 2018: Assistant Professor, University of Chicago

Liang Lu

TTIC from 2016 to 2017

Research Interests: Deep learning for speech and language processing

Affiliation as of 2018: Senior Applied Scientist, Microsoft

Dan Garber

TTIC from 2016 to 2017

Research Interests: Machine Learning and Continuous Optimization

Affiliation as of 2018: Senior Lecturer (Assistant Professor), Technion - Israel Institute of Technology

Huy Le Nguyen

TTIC from 2015 to 2016

Research Interests: Algorithms

Affiliation as of 2018: Assistant Professor, Northeastern University

Hammad Naveed

TTIC from 2014 to 2017

Research Interests: Computational structural biology

Affiliation as of 2018: Associate Professor of Computer Science, National University of Computer & Emerging Sciences, Pakistan

Mehrdad Mahdavi

TTIC from 2014 to 2017

Research Interests: Machine Learning

Affiliation as of 2018: Assistant Professor, Penn State

Ayan Chakrabarti

TTIC from 2014 to 2017

Research Interests: Computer vision and computational photography

Affiliation as of 2018: Assistant Professor, Washington University in St. Louis

Stefan Canzar

TTIC from 2014 to 2017

Research Interests: Computational Biology

Affiliation as of 2018: Research Group Leader, Ludwig-Maximilians-Universität München

Qixing Huang

TTIC from 2014 to 2016

Research Interests: Computer Vision

Affiliation as of 2018: Assistant Professor, University of Texas at Austin

Ryota Tomioka

TTIC from 2013 to 2015

Research Interests: Machine Learning

Affiliation as of 2018: Researcher, Microsoft Research Cambridge

George Papandreou

TTIC from 2013 to 2014

Research Interests: Computer Vision

Affiliation as of 2018: Research Scientist, Google

Ofer Meshi

TTIC from 2013 to 2016

Research Interests: Machine Learning

Affiliation as of 2018: Research Scientist, Google

Shi Li

TTIC from 2013 to 2015

Research Interests: Theoretical Computer Science

Affiliation as of 2018: Assistant Professor, University of Buffalo

Mohit Bansal

TTIC from 2013 to 2016

Research Interests: Natural Language Processing, Machine Learning

Affiliation as of 2018: Assistant Professor, UNC Chapel Hill

Raman Arora

TTIC from 2013 to 2014

Research Interests: Speech

Affiliation as of 2018: Assistant Professor, Johns Hopkins University

Yang Shen

TTIC from 2012 to 2014

Research Interests: Computational Biology

Affiliation as of 2018: Assistant Professor, Texas A&M University

Benjamin Moseley

TTIC from 2012 to 2014

Research Interests: Algorithms

Affiliation as of 2018: Assistant Professor, Carnegie Mellon University

Subhransu Maji

TTIC from 2012 to 2014

Research Interests: Computer Vision

Affiliation as of 2018: Assistant Professor, University of Massachusetts, Amherst

Dahua Lin

TTIC from 2012 to 2014

Research Interests: Computer Vision

Affiliation as of 2018: Assistant Professor, Chinese University of Hong Kong

Samory Kpotufe

TTIC from 2012 to 2014

Research Interests: Machine Learning

Affiliation as of 2018: Assistant Professor, Princeton University

Sanja Fidler

TTIC from 2012 to 2013

Research Interests: Computer Vision

Affiliation as of 2018: Assistant Professor, University of Toronto

Francesco Orabona

TTIC from 2011 to 2014

Research Interests: Machine Learning

Affiliation as of 2018: Assistant Professor, SUNY Stony Brook

Anand Sarwate

TTIC from 2011 to 2012

Research Interests: Information Theory

Affiliation as of 2018: Assistant Professor, Rutgers

Mathieu Salzmann

TTIC from 2010 to 2011

Research Interests: Computer Vision

Affiliation as of 2018: Senior Researcher, EPFL-CVLab

Devi Parikh

TTIC from 2010 to 2012

Research Interests: Computer Vision

Affiliation as of 2018: Assistant Professor, Georgia Tech

Samuel Hasinoff

TTIC from 2010 to 2011

Research Interests: Computational photography

Affiliation as of 2018: Software Engineer, Google

Dhruv Batra

TTIC from 2010 to 2012

Research Interests: Computer Vision

Affiliation as of 2018: Assistant Professor, Georgia Tech

Anastasios Sidiropoulos

TTIC from 2009 to 2012

Research Interests: Computational Geometry

Affiliation as of 2018: Assistant Professor, University of Illinois at Chicago

Nathan Ratliff

TTIC from 2009 to 2010

Research Interests: Robotics and Machine Learning

Affiliation as of 2018: NVIDIA

Tamir Hazan

TTIC from 2009 to 2013

Research Interests: Computer Vision

Affiliation as of 2018: Assistant Professor, Technion - Israel Institute of Technology

Joseph Keshet

TTIC from 2009 to 2012

Research Interests: Speech

Affiliation as of 2018: Senior Lecturer (Assistant Professor), Bar-Ilan University

Andreas Argyriou

TTIC from 2009 to 2012

Research Interests: Machine Learning

Affiliation as of 2018: Senior Data Scientist, Microsoft UK

Ambuj Tewari

TTIC from 2008 to 2010

Research Interests: Artificial Intelligence & Machine Learning

Affiliation as of 2018: Associate Professor, University of Michigan

Sameer Sheorey

TTIC from 2008 to 2011

Research Interests: Computer Vision

Affiliation as of 2018: Senior R&D Scientist, UtopiaCompression

Shai Shalev-Shwartz

TTIC from 2007 to 2009

Research Interests: Machine Learning

Affiliation as of 2018: Professor, Hebrew University of Jerusalem

Nikhil Devanur Rangarajan

TTIC from 2007 to 2008

Research Interests: Algorithms & Complexity

Affiliation as of 2018: Researcher, Microsoft Research

Alexander Ihler

TTIC from 2007 to 2007

Research Interests: Machine Learning

Affiliation as of 2018: Associate Professor, UC Irvine

Benoit Hudson

TTIC from 2007 to 2009

Research Interests: Programming Languages

Affiliation as of 2018: Founder and CEO, Imaginary Spaces

Xinyu Feng

TTIC from 2007 to 2010

Research Interests: Programming Languages

Affiliation as of 2018: Professor, University of Science and Technology of China

Xiaofeng Ren

TTIC from 2006 to 2008

Research Interests: Artificial Intelligence

Affiliation as of 2018: Chief Scientist and Deputy Dean, Institute of Data Science and Technologies at Alibaba

Thomas Hayes

TTIC from 2006 to 2008

Research Interests: Algorithms & Complexity

Affiliation as of 2018: Associate Professor, University of New Mexico

Matthew Fluet

TTIC from 2006 to 2009

Research Interests: Programming Languages

Affiliation as of 2018: Associate Professor, Rochester Institute of Technology

Amal Ahmed

TTIC from 2006 to 2009

Research Interests: Programming Languages

Affiliation as of 2018: Associate Professor, Northeastern University

Deva Ramanan

TTIC from 2005 to 2007

Research Interests: Computer Vision

Affiliation as of 2018: Associate Professor, Carnegie Mellon University

Harald Raecke

TTIC from 2005 to 2007

Research Interests: Algorithms & Complexity

Affiliation as of 2018: Faculty, Technische Universität München (TUM)

Derek Dreyer

TTIC from 2005 to 2007

Research Interests: Language & Verification

Affiliation as of 2018: Faculty, Max Planck Institute for Software Systems

Anders Logg

Research Assistant Professor

TTIC from 2004 to 2006

Research Interests: Scientific Computing

Affiliation as of 2018: Professor of Computational Mathematics, Chalmers University of Technology

Prahladh Harsha

TTIC from 2004 to 2008

Research Interests: Algorithms & Complexity

Affiliation as of 2018: Associate Professor, Tata Institute of Fundamental Research

Yasemin Altun

TTIC from 2004 to 2007

Research Interests: Artificial Intelligence

Affiliation as of 2018: Google Research

John Langford

TTIC from 2003 to 2006

Research Interests: Machine Learning

Affiliation as of 2018: Principal Researcher, Microsoft Research

Kevin Gimpel

TTIC from 2012-2024

Research Interests: natural language processing, especially paraphrase recognition, machine comprehension, knowledge representation, and narrative understanding.

Affiliation as of 2024: Senior Director of Research at QuillBot

Eden Chlamtáč

TTIC from 2021-2023

Research Interests: Theoretical computer science, combinatorial optimization, approximation algorithms, graph spanners, lift-and-project methods and the log-density method.

Aditya Bhaskara

TTIC from 2023-2023

Research Interests: Theoretical Machine Learning, Online Algorithms, Approximation Algorithms

Affiliation as of 2023: Associate Professor at the University of Utah

Aadirupa Saha

TTIC from 2022-2023

Research Interests: Machine Learning Theory (specifically Online Learning, Bandits, Reinforcement Learning), Optimization, Game Theory, Algorithms. She is recently interested in exploring ML problems at the intersection of Fairness, Privacy, Game theory and Mechanism design.

Affiliation as of 2023: Research Scientist at Apple

David Chiang

TTIC from 2018-2021

Research Interests: Natural language processing, language translation, syntactic parsing, and formal language theory.

Affiliation as of 2021: Department of Computer Science and Engineering, Notre Dame

John Lafferty

TTIC from 2013-2019

Research Interests: Machine learning, nonparametric estimation, probabilistic modeling, graphical models, text modeling.

Affiliation as of 2020: John C. Malone Professor of Statistics & Data Science, Yale University

Or Zuk

Visiting Assistant Professor

TTIC from 2012 to 2013

Research Interests: Computational Biology

Affiliation as of 2018: Faculty, Department of Statistics, Hebrew University of Jerusalem

Raquel Urtasun

Assistant Professor

TTIC from 2009 to 2014

Research Interests: Computer Vision

Affiliation as of 2018: Associate Professor, University of Toronto

Shai Ben-David

Adjoint Professor

TTIC from 2009 to 2014

Research Interests: Machine Learning

Affiliation as of 2018: Professor, University of Waterloo

Ronen Basri

Visiting Professor

TTIC from 2007 to 2009

Research Interests: Computer Vision

Affiliation as of 2018: Professor, Department of Computer Science and Applied Math, Weizmann Institute of Science

Lance Fortnow

Adjoint Professor

TTIC from 2007 to 2018

Research Interests: Computational Complexity

Affiliation as of 2021: Dean, College of Computing, Illinois Institute of Technology

Cristian Sminchisescu

Adjunct Assistant Professor

TTIC from 2005 to 2010

Research Interests: Computer Vision

Affiliation as of 2018: Professor, Department of Mathematics, Lund University

Sham Kakade

Assistant Professor

TTIC from 2005 to 2009

Research Interests: Artificial Intelligence & Machine Learning

Affiliation as of 2018: Washington Research Foundation Data Science Chair, University of Washington

Eli Ben-Sasson

Visiting Professor

TTIC from 2005 to 2005

Research Interests: Algorithms & Complexity

Affiliation as of 2018: Professor of Computer Science, Technion - Israel Institute of Technology

Eric Vigoda

Visiting Assistant Professor

TTIC from 2004 to 2004

Research Interests: Algorithms & Complexity

Affiliation as of 2022: Professor of Computer Science, UC Santa Barbara

Jaikumar Radhakrishnan

Visiting Professor

TTIC from 2004 to 2006

Research Interests: Algorithms & Complexity

Affiliation as of 2018: Professor, School of Technology and Computer Science, Tata Institute of Fundamental Research

Adam Klivans

Visiting Assistant Professor

TTIC from 2004 to 2005

Research Interests: Algorithms & Complexity

Affiliation as of 2018: Associate Professor, Computer Science Department, University of Texas at Austin

Bruno Codenotti

Visiting Professor

TTIC from 2004 to 2005

Research Interests: Algorithms & Complexity

Affiliation as of 2018: Research Director, Institute of Informatics and Telematics

Umut Acar

Assistant Professor

TTIC from 2004 to 2010

Research Interests: Programming Languages

Affiliation as of 2018: Associate Professor, Computer Science Department, Carnegie Mellon University

Adam Kalai

Assistant Professor

TTIC from 2003 to 2006

Research Interests: Algorithms & Complexity

Affiliation as of 2018: Principal Researcher, Microsoft Research

Matthias Blume

Assistant Professor

TTIC from 2003 to 2009

Research Interests: Programming Languages

Affiliation as of 2014: Google Research

Stephen Smale

Professor

TTIC from 2003 to 2012

Research Interests: Mathematics

Dan Roth

Adjoint Professor

TTIC from 2016-2018

Research Interests: Machine learning

Affiliation as of 2018: University of Pennsylvania