Only major projects are covered here. Overall I have particpated in about 20 DFG projects, about 30 projects funded by the German federal government, about 30 projects funded by the state government of the state of Baden-Württemberg, about 80 European projects, and about 20 industrial projects 
Industry
AMD COVID-19 
A collaboration with AMD where AMD and penguin provide ressources for the support of simulations related to COVID-19 (2020 - 2023)
HPCDA
 A collaboration with Cray funded by Cray and the state of Baden-Württemberg on Data Analytics (2016 - 2020)
Teraflop Workbench Project 
 A collaboration with NEC in sustained Teraflops Computing (6/2004 - 5/2016) 
Microsoft HPC Institute 
 A collaboration with Microsoft in technical computing(5/2005 - 2011) 
European
EuroCC
National Competence Centres in the framework of EuroHPC
CASTIEL
Coordination and Support for National Competence Centres on a European Level
EXCELLERAT
 One of the nine Centers of Excellence for High Performance Computing in Europe with a focus on engineering applications (2018 - 2021)
HIDALGO
 One of the nine Centers of Excellence for High Performance Computing in Europe with a focus on Global Challenges applications (2018 - 2021) 
PRACE IP Projects
 Projects that support the PRACE activities in HPC (2010 - 2021)
FORTISSIMO/FORTISSIMO 2
 is a collaborative project that will enable European SMEs to be more competitive globally through the use of simulation services running on a High Performance Computing cloud infrastructure. (2013 - 2018)
HPC-EUROPA Projects
 Projects that support mobility of researchers in HPC in Europe (2004 - 2020)
CRESTA
 Collaborative Research into Exascale Systemware, Tools & Applications. One of three European funded Exascale Software Projects (2011 - 2014)
GridCoord 
 "an ERA Pilot on a co-ordinated Europe-wide Initiative in Grid Research" 
 A Specific Support Action under the Sixth Framework Programme of the European Community (7/2004-6/2006) 
DAMIEN
 Distributed Applications and Middleware for Industrial use of European Networks; IST contract IST-2000-25406; (1/2001 - 6/2003)
METODIS
 MEta computing TOols for DIstributed Systems; Esprit contract Nr. 29909; (1/1999 - 12/2001)
DECAST
 enhanced DEsign Environment for Industrial CASTing Processes on Parallel Computing Platforms; Esprit contract Nr. 28144; (10/1998 - 3/2001)
HPS-ICE
 High Performance Simulation of Internal Combustion Engines; Esprit contract Nr. 20184; (1/1996 - 12/1998)
CAESAR
 Clusters of Computational Intensive Applications For Engineering, Design, and Simulation on Scalable Parallel Architectures; Esprit contract Nr. 8328; (1.5.1994 - 31.4.1997)
Federal
SiVeGCS+ is a Project through which installation and operation of national supercomputers is funded by the Federal Ministry of Science (BMBF) and the Ministry of Science of the State of Baden-Württemberg (MWK-BW) (2017 - 2032)
CIRCE (Computational Immediate Response Center for Emergencies) A project to understand and evaluate the potential of HPC in cases of emergencies co-funded by the federal and state government (11/2021 - 10/2024)
NFDI4CAT: A project of the National Forschungsdaten Infrastruktur / National Research Data Infrastrcuture (NFDI) (10/2020 - 9/2025)
Cluster of Excellence Daten-integrierte Simulationswissenschaft (SimTech); Part of the German Initiative of Excellence; Principal Investigator (1/2019 - 12/2025)
SiVeGCS is a Project through which installation and operation of national supercomputers is funded by the Federal Ministry of Science (BMBF) and the Ministry of Science of the State of Baden-Württemberg (MWK-BW) (2017 - 2024)
inHPC.de is a project to support the closer interation of the three national German supercomputing centers in teh fields of networking and data management (2017 - 2020)
SPPEXA (German Priority Programme 1648: Software for Exascale Computing) / Exasolver 2, SMART-DASH: projects funded by the DFG (2015 - 2019)
PetaGCS (pdf) is a Project through which installation and operation of national supercomputers is funded by the Federal Ministry of Science (BMBF) and the Ministry of Science of the State of Baden-Württemberg (MWK-BW) (2008 - 2017)
Cluster of Excellence Simulation Technology (SimTech)
 Part of the German Initiative of Excellence; PI for research Area F: Hybrid High-Performance Computing Systems and Simulation Software Engineering (2007 - 2018)
Collaborative Research Center 716 (SFB 716)
 "Dynamic Simulation of Systems with Large Numbers of Particles" (1/2007 - 12/2012); Workpackage (Teilprojekt) "Performant and Flexible Multi Particle Simulation on Different Supercomputer Architectures" 
ASIL 
 Advanced Solvers Integrated Library - a project funded as part of the German HPC Initiative (1/2009 - 12/2011)
IMEMO
 Innovative HPC-Methoden und Einsatz für Hochskalierbare Molekulare Simulation - a project funded as part of the German HPC Initiative (1/2009 - 12/2011)
TIMaCS
 Tools for intelligent System Management of Very Large Computing Systems -  project funded as part of the German HPC Initiative (1/2009 - 12/2011)
FinGrid
 A collaborative project in financial business for the financial services industry as part of the German e-science initiative D-Grid (5/2007 - 4/2010)
InGrid
 A collaborative project in engineering for grids as part of the German e-science initiative D-Grid (9/2005 - 8/2008)
Collaborative Research Center 374 (SFB 374)
 "Development and Testing of Innovative Products - Rapid Prototyping" (2005 - 2008); Workpackage (Teilprojekt) D2 "Visualization and Simulation of Physical and Technical Processes"
Collaborative Research Center 259 (SFB 259) "High Temperature Problems of Reusable Space Vehicles" (2001 - 2003) Workpackage (Teilprojekt) C3 "Numerical Re-entry Aerothermodynamics"
Collaborative Research Center 382 (SFB 382) "Methods and Algorithms for SImulating Physical Processes on Supercomputers" (2001 - 2005) Workpackage (Teilprojekt) D02 "Interactive Visualization of Computer Simulations on Parallel Systems"
State funded
NDLZL
Nachhaltiger Datenlebenszyklus Literatur. A project together with the German Literature Archive and digital humanities researchers from the University of Stuttgart to explore data and the digital in context with literature (2019 - 2023).
BW-HPC-S5
 A project to develop support methods for HPC in the state of Baden-Württemberg (2018 - 2020)
MOEWE
 A Project funded by the ESF and the state of Baden-Württemberg to develop training curricula and concepts for HPC (2016 - 2020)
Simulierte Welten /Simulated Worlds
 A state funded project to reach out to schools (2011 - 2021)
Transforming Simulation
 A project to investigate on the meaning and impact of simulation (2016 - 2019)
Sustainability
 A state funded Project to develop a concept for the sustainability of computing centers (2014 - 2019)
BW-HPC-C5 (German)
 A state funded Project to bring together HPC at all three Levels (national, state-wide and University) HLRS takes the lead in training & education
Software Development for Highly Scalable Systems
 A project together with NERSC in collaboration with the Green-Flash project
BW-Grid
 A project for Grid Computing in the Framework of the German Grid initiative D-Grid
Foundations
DiTES Discursive Transformation of Energy Systems
Fundedd by the Carl Zeiss Foundation the project aims at development of VR Simulation Support and Methods for climate neutral Power dn heating supply (2023-2028)