The following is a list of research groups, centers, institutes, departments, and universities with which Professor Holst currently has, or previously had, some research affiliation.

Regional, National, and International Affiliations:

• FETK Project (PI)
• Southern California Applied Mathematics Symposium (SoCAMS; Organizing Committee)
• Institute for Pure and Applied Mathematics (IPAM; Workshop Participant/Organizer)
• Institute for Mathematics and its Applications (IMA; Workshop Participant/Organizer)
• Mathematical Sciences Research Institute (MSRI; Workshop Participant/Organizer)
• Banff International Research Station (BIRS; Workshop Participant)
• Isaac Newton Institute for Mathematical Sciences (Newton Institute; Workshop Participant)
• Mathematisches Forschungsinstitut Oberwolfach (Oberwolfach; Workshop Participant)

• Mathematical and Computational Physics Research Group (MCP; Group Lead)
• Center for Computational Mathematics (CCoM; Co-Director)
• Computational Science, Mathematics, and Engineering Graduate Program (CSME; Co-Director)
• Center for Theoretical Biological Physics (CTBP; Senior Scientist)
• National Biomedical Computation Resource (NBCR; Core Investigator)
• San Diego Supercomputer Center (SDSC; Executive Committee)
• La Jolla Interfaces in Science (LJIS; Steering Committee)
• HHMI-NIBIB Interfaces Training Grant (Participating Faculty and Co-Organizer)
• Bioinformatics Ph.D. Program Faculty (Participating Faculty)
• Mathematics (Professor)
• Physics (Professor)

• Physics (Visiting Associate)
• Theoretical Astrophysics including Relativity Research Group (TAPIR; Visitor)
• Caltech-JPL Association for Gravitational Wave Research (CAJAGWR; Visitor)
• Gravitational Wave Source Simulation Visitor Program (Co-Organizer)
• Applied and Computational Mathematics (ACM; Prize Postdoctoral Fellow, Von Karman Instructor)

• Mathematics (Assistant Professor)

• Computational Mathematics (Doctoral Student)

• Mathematics (Undergraduate Student)