GraphSys
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Organizers and Committee

Organizers

Jože Martin Rožanec

Jože Martin Rožanec

Jožef Stefan Institute, Slovenia

Jože Rožanec received his Ph.D. from the Jožef Stefan International Postgraduate School and performed post-doctoral research at the University of Twente. He is a researcher at the Jožef Stefan Institute. His principal research interests relate to machine learning (time series, graphs, causality, and applications), with a special interest in scalable and distributed systems. He has served as a committee member in multiple international conferences (e.g., ESWC, ISWC, ECAI, EuroPar). He is an ACM and IEEE member and a member of the ACM Europe Technology Policy Committee.

✉ joze.rozanec@ijs.si

Tiziano De Matteis

Tiziano De Matteis

Vrije Universiteit Amsterdam, The Netherlands

Tiziano De Matteis received his Ph.D. from the University of Pisa. He was a postdoctoral researcher at ETH Zurich and is currently an Assistant Professor (tenured) at the Computer Science Department of Vrije Universiteit Amsterdam. His principal research interests are in Parallel and Distributed Computing, with a focus on systems and programming models for spatial and reconfigurable computing for HPC, post-Moore architectures, and sustainability in modern computing systems. He has served as a committee member in multiple international conferences (e.g., SC, OSDI, HPDC, CCGrid, IPDPS), co-chaired a track at Euro-Par 2018, and co-organized HotCloudPerf 2023 and GraphSys 2025.

✉ t.de.matteis@vu.nl

Ana-Lucia Varbanescu

Ana-Lucia Varbanescu

University of Twente, The Netherlands

Ana Lucia Varbanescu holds BSc and MSc degrees from Politehnica University of Bucharest and a Ph.D. from Delft University of Technology. She was a MacGillavry fellow at the University of Amsterdam, where she was tenured as associate professor in 2018. Since 2022 she is a professor at the University of Twente, where she chairs the CAES group. She has been a visiting researcher at IBM TJ Watson, BSC, NVIDIA, and Imperial College London. She was co-PI for the GraphMassivizer EU project, co-organizer of the Dagstuhl seminar on Holistic Graph Processing and of the Lorentz Center workshop on Sustainable Computing. Her research focuses on HPC and AI systems, with emphasis on performance and energy efficiency modelling and, more recently, zero-waste computing and systems co-design.

✉ a.l.varbanescu@utwente.nl

Publicity Chair

Prof. Dr. Dumitru Roman

Prof. Dr. Dumitru Roman

SINTEF AS, Oslo Metropolitan University, Bucharest University of Economic Studies

Norway, Romania

Program Committee

PC Chairs

Jože Martin Rožanec

Jože Martin Rožanec

Jožef Stefan Institute

Slovenia

Nikolay Yakovets

Nikolay Yakovets

Eindhoven University of Technology

The Netherlands

Members

Prof. Dr. David Bader

Prof. Dr. David Bader

New Jersey Institute of Technology

USA

Dr. Timothy Mattson

Dr. Timothy Mattson

 

USA

Prof. Dr. Martin Skutella

Prof. Dr. Martin Skutella

Technische Universität Berlin

Germany

Prof. Dr. Matei Ripeanu

Prof. Dr. Matei Ripeanu

University of British Columbia

Canada

Prof. Dr. Evgeny Kharlamov

Prof. Dr. Evgeny Kharlamov

Bosch and University of Oslo

Germany and Norway

Assoc. Prof. Lijun Chang

Assoc. Prof. Lijun Chang

University of Sydney

Australia

Prof. Dr. Yinghui Wu

Prof. Dr. Yinghui Wu

Case Western Reserve University

USA

Prof. Dr. Dumitru Roman

Prof. Dr. Dumitru Roman

SINTEF AS, Oslo Metropolitan University, Bucharest University of Economic Studies

Norway, Romania

Dr. Maciej Besta

Dr. Maciej Besta

ETH Zurich

Switzerland

Prof. Dr. Sashko Ristov

Prof. Dr. Sashko Ristov

Universität Innsbruck

Austria

Prof. Dr. Marcus Paradies

Prof. Dr. Marcus Paradies

Ludwig-Maximilians-Universität München

Germany

Asst. Prof. Riccardo Tommasini

Asst. Prof. Riccardo Tommasini

INSA Lyon

France

Dr. Laurentiu Vasiliu

Dr. Laurentiu Vasiliu

Peracton Ltd.

Ireland

Mr. Brian Elvesæter

Mr. Brian Elvesæter

SINTEF AS

Norway

Prof. Dr. Kenneth Langedal

Prof. Dr. Kenneth Langedal

Universität Heidelberg

Germany

Dr. Ernestine Großmann

Dr. Ernestine Großmann

Universität Heidelberg

Germany

© GraphSys 2026

We gratefully acknowledge Project CauseFinder as a co-organizer of this workshop.