Jens Vygen

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Editorship of scientific journals:

Co-Editor of the journal Mathematical Programming (Series A) (2019–)
Editor of special issues on IPCO 2024 of the journal Mathematical Programming (Series B) (with J. Byrka)
Area Editor for Discrete Optimization of the journal Mathematics of Operations Research (2015–2022)
Associate Editor of the journal INFORMS Journal on Computing (2016–2019)
Member of the Editorial Board of the journal Discrete Optimization (2003–2017)
Associate Editor of the journal Mathematical Programming (Series A) (2004–2016)
Associate Editor of the journal ACM Transactions on Design Automation of Electronic Systems (2013–2016)
Editor of special issues on IPCO 2014 of the journal Mathematical Programming (Series B) 154 (1–2), 2015 (with J. Lee)
Associate Editor of the journal Operations Research Letters (2002–2015)

Member of program committees of international conferences:

Organization of workshops etc. (selection):

Member of the Steering Committee of the Cargèse Workshops on Combinatorial Optimization (2022–)
Organizer of a workshop on approximation and relaxation at the Hausdorff Research Institute for Mathematics , November 2021 (with F. Grandoni, N. Olver, and L. Sanità)
Member of the Interest Group on Algorithmic Foundations of Information Technology (IGAFIT) (2020–)
Member of the IPCO Steering Committee of the Mathematical Optimization Society (2014–2020, chair 2018–2020)
Organizer of a HIM Follow-up Workshop on Combinatorial Optimization, August 2018 (with S. Iwata and J. Könemann)
Organizer of a Hausdorff Summer School on Combinatorial Optimization, August 2018 (with J. Könemann)
Organizer of the Trimester Program on Combinatorial Optimization at the Hausdorff Research Institute for Mathematics , from September to December 2015 (with A. Frank, S. Iwata, and J. Könemann)
Organizer of a workshop on relaxations and polyhedral methods at the Hausdorff Research Institute for Mathematics , November 2015 (with N. Bansal, O. Svensson, and D.P. Williamson)
Member of the Advisory Board of the Eleventh DIMACS Implementation Challenge on Steiner Tree Problems, December 2014
Organizer of the 17th International Conference on Integer Programming and Combinatorial Optimization (IPCO 2014), June 2014 (with S. Held)
Cluster chair for "Combinatorial Optimization" of the 21st International Symposium on Mathematical Programming (ISMP), August 2012 (with J. Könemann)
Organizer of the Oberwolfach Workshop on Combinatorial Optimization, November 2011 (with M.X. Goemans and M. Laurent)
Organizer of the Bonn Workshop on Combinatorial Optimization, November 2008 (with W.J. Cook, B. Korte, and L. Lovász)

Committees at the University of Bonn (selection):

Acting director of the Research Institute for Discrete Mathematics (2025–)
Member of the Board of Directors of the Hausdorff Center for Mathematics (2019–2025)
Chair of the Department of Mathematics (''Fachkommission'', 2019–2021; deputy chair 2021–2023)
Member of the Diversity and Equal Opportunity Committee of the Department of Mathematics (2018–)
Member of the Steering Committee of the Transdisciplinary Research Area "Mathematics, Modelling and Simulation of Complex Systems" (2018–2023)
Chair of the Postdoc Mentoring Program Committee of the Hausdorff Center for Mathematics (2015–2019)
Research Area leader of the Hausdorff Center for Mathematics (2006–2025)
Member of the Junior Search Committee (2006–2017) and the Senior Search Committee (2013–) of the Hausdorff Center for Mathematics, and many other hiring committes in Bonn and elsewhere (2006–)
Member of the examination committee and the admission's committee for the bachelor's and master's program in mathematics at the University of Bonn (2007–2009)
Chair of the committee for designing the bachelor's and master's program in mathematics at the University of Bonn (2004–2007)