All People 
A person with long dark hair, wearing a black turtleneck, smiles softly and looks at the camera. The background is blurred and neutral in color.
A person with long dark hair, wearing a black turtleneck, smiles softly and looks at the camera. The background is blurred and neutral in color.

Research Staff

Marc Ritter

Flatiron Research Fellow, Center for Computational Quantum Physics

Bio

Marc Ritter joined the Center for Computational Quantum Physics as a Flatiron Research Fellow in September 2025. He is working on tensor network methods for impurity solvers, and on applying tensor networks to classical computation in the quantics tensor train framework. He obtained a PhD in physics from the Ludwig Maximilian University Munich in 2025.

Featuring Marc Ritter

A photo of Sonya Hansen and Diego Murillo at the Symbiosis film screening, standing in front of a screen that says Symbiosis x Infinite Sums.

Watch: 5 Math-Inspired Short Films Created by Flatiron Institute Researchers and Filmmakers

Related People

A man in a blue button-down shirt smiles with his arms crossed outdoors.

David Abramovitch

Flatiron Research Fellow, Center for Computational Quantum Physics

A woman with curly dark hair, wearing a sleeveless black top, smiles at the camera in a softly blurred indoor setting.

Jennifer Coulter

Associate Research Scientist, Center for Computational Quantum Physics

A young person with shoulder-length brown hair and blue eyes smiles while wearing a zipped-up fleece jacket. The background is softly blurred, putting focus on the persons face.

Lukas Devos

Flatiron Research Fellow, Center for Computational Quantum Physics

A young person with wavy light brown hair and glasses, wearing a blue plaid shirt, smiles softly while standing indoors with a blurred background.

Jack Dunham

Flatiron Research Fellow, Center for Computational Quantum Physics

Nicolas Morales Duran headshot.

Nicolas Morales Duran

Flatiron Research Fellow, Center for Computational Quantum Physics

Portrait photo of Matthew Fishman

Matthew Fishman

Research Scientist, Center for Computational Quantum Physics

Portrait photo of Johannes Flick

Johannes Flick

Associate Research Scientist, Center for Computational Quantum Physics

A middle-aged man with short hair and glasses wearing a dark polo shirt and blazer smiles at the camera.

Antoine Georges

Director, Center for Computational Quantum Physics

A portrait photo of Olivier Gingras.

Olivier Gingras

Associate Research Scientist, Center for Computational Quantum Physics

A man with dark hair, glasses, and a mustache stands outside with buildings, greenery, and mountains in the background under a clear blue sky.

Samuele Giuli

Flatiron Research Fellow, Center for Computational Quantum Physics

Center for Computational Quantum Physics

CCQ’s mission is to develop the concepts, theories, algorithms and codes needed to solve the quantum many-body problem and use the solutions to predict the behavior of materials and molecules of scientific and technological interest.

Learn more
A circular pattern of evenly spaced, white radial lines on a light gray background, creating a sunburst or spinning wheel effect with an empty center.