Our Research

AI and Big Data Group

We develop innovative methods to extract insights from data. Our work accelerates scientific discovery and underpins transformative AI applications.


Michael Mahoney pointing at presentation on screen

Advancing algorithms for machine learning and artificial intelligence

The world has celebrated many accomplishments in AI technologies, but thorny challenges remain. Our work bridges between theory and implementation to improve the accuracy, efficiency, security, and relevance of AI algorithms.

We tackle interesting and challenging problems in machine learning and large-scale data analysis by advancing innovative methods in statistics, algorithms, and computer science. This work is highly interdisciplinary, bringing cutting-edge mathematics to bear on optimizing algorithms and tools at the forefront of scientific research and AI applications.


Our research has examined:

  • Random sampling and random projection methods
  • Communication-avoiding algorithms
  • Locally-biased graph algorithms
  • Numerically-intensive machine learning
  • Randomized linear algebra
  • Convex and non-convex optimization
  • Second-order optimization
  • Terabyte-scale implementations
  • Graph algorithm theory
  • Geometric network analysis
  • Parallel and distributed computing
  • Applications in a wide range of domain areas, including astronomy, genetics, multimedia and social network analysis, and more

Areas of focus:

  • Machine Learning (Supervised, Unsupervised, Reinforcement Learning)
  • Mathematical Optimization, Operations Research, and Decision Science
  • Theoretical Foundations of AI and Machine Learning

Group Members

Michael Mahoney

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Michael W. Mahoney, PhD, is Vice President, Principal Scientist, and Group Lead for the AI and Big Data group at ICSI.

Kimon Fountoulakis

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Kimon Fountoulakis, PhD, is a Research Affiliate at ICSI and an Associate Professor of Computer Science at the University of Waterloo.

Dmitriy Morozov

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Dmitriy Morozov, PhD, is a Research Affiliate and Research Mentor at ICSI and Staff Scientist at Lawrence Berkeley National Laboratory.

Amir Gholaminejad

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Amir Gholaminejad (Gholami), PhD, is a Research Affiliate at ICSI and an Associate Research Scientist at the Berkeley Artificial Intelligence Research and Sky Computing Labs at UC Berkeley.

Héctor García Martín

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Héctor García Martín, PhD, is a Research Affiliate at ICSI, Director of Data Science and Modeling at the Biofuels and Bioproducts Division at the Joint BioEnergy Institute, and Staff Scientist at Lawrence Berkeley National Laboratory.

David Trebotich

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David Trebotich, PhD, is a Research Affiliate at ICSI and Staff Scientist at Lawrence Berkeley National Laboratory.

Charuleka Varadharajan

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Charuleka Varadharajan, PhD, is a Research Affiliate at ICSI, Staff Scientist at Lawrence Berkeley National Laboratory, and Research Affiliate at the Berkeley Institute for Data Science at UC Berkeley.

Yaoqing Yang

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Yaoqing Yang, PhD, is a Research Affiliate at ICSI and an Assistant Professor at Dartmouth College.

Jose Antonio Lara Benitez

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Jose Antonio Lara Benitez, PhD, is a Postdoctoral Researcher at ICSI and Lawrence Berkeley National Laboratory.

Edoardo Calvello

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Edoardo Calvello, PhD, is a Postdoctoral Researcher at ICSI and Lawrence Berkeley National Laboratory, and holds a visiting appointment at UC Berkeley.


Max Meinichenko

Postdoctoral Researcher

Raphael Meyer

Postdoctoral Researcher

Shengaho Yang

Postdoctoral Researcher

Zhichao Wang

Postdoctoral Researcher

Oleg Balabanov

Postdoctoral Researcher

Kareem Hegazy

Postdoctoral Researcher

Siavash Ameli

Postdoctoral Researcher

Hyunsuk Kim

PhD Student

Pu Ren

Postdoctoral Researcher

Scientific Machine Learning

We accelerate scientific research and machine learning applications through innovative methods for enhancing the accuracy, efficiency, and security of ML models.

Projects

AI Algorithms for Science at the Edge

We accelerate scientific discovery by bringing intelligent ML-based data reduction and processing as close as possible to the data source.

Projects

AI for High-Energy Physics

We speed the deployment and efficiency of AI models in high-energy physics by embedding physics knowledge into the machine learning process.

Projects

DNN Attack Detection

We are creating tools to detect backdoor attacks on Deep Neural Networks (DNNs).

Projects

Training Secure and Robust DNNs

We explore novel methods for training robust Deep Neural Networks (DNNs) that are free from security violations.

Projects

Second-Order Methods for ML

We leverage second-order methods to improve ML optimization.

Randomized Linear Algebra

We are unlocking new advances in machine learning by applying randomized linear algebra techniques to improve algorithms and tools.

Projects

Automating Algorithm Optimization

We are laying the foundations to revolutionize the fields of randomized numerical linear algebra and large-scale numerical optimization.

Projects

Paving the Way for Next-Gen Scientific Software

We are creating tools to simplify the transition to next-generation scientific software infrastructure.

Projects

Linear Algebra for Neural Networks

We are extending neural networks to a broader range of applications by more effectively leveraging linear algebra.

Other Projects

Projects

Advancing Topological Data Analysis

We are developing software for computing generalized persistence diagrams to advance topological data analysis applications by correlating multiple measurements.

Join ICSI

ICSI offers the best of all worlds—a place to do transformative work without unnecessary bureaucracy. With no teaching obligations, minimal red tape, and flexible employment models, you’re free to do your best work, your way. 

Visit ICSI

ICSI is a global research community that feels like home. A visit to ICSI puts you at the center of the action to collaborate with top researchers in a world-class innovation ecosystem. 

Get in touch

Want to discuss opportunities to work with ICSI? We’d love to hear from you.

2150 Shattuck Ave., #250
Berkeley, CA 94704

+1 (510) 666-2900

contact @ icsi.berkeley.edu