Meet the Team
Sébastien Jourdain
Distinguished Engineer
Kitware New Mexico
Santa Fe, NM
Service at Kitware
M.S. in Engineering
Université de Lorraine, Polytech Nancy
M.S. in Software Engineering
Université de Lorraine
Sébastien Jourdain is a distinguished engineer on Kitware’s Scientific Computing Team, based in Santa Fe, New Mexico. He leads Kitware’s scientific web visualization work, helping customers build tailored applications that process and visualize live data directly in the browser.
Sébastien created and maintains Kitware’s web stack for scientific visualization. His most recent project, trame, is an open source Python framework that turns data processing and visualization workflows into interactive web applications, giving users the full power of desktop scientific tools at a fraction of the cost. Trame is now downloaded more than a million times a month on PyPI.
Sébastien also contributes to VTK and ParaView, with a focus on streamlining their use on the web. He designed the architecture that allows VTK-wasm to work both with trame, where server-side scenes are mirrored for local rendering in the browser, and entirely on the client, where developers write VTK code in pure JavaScript or TypeScript.
Beyond his technical work, Sébastien mentors new members of the Scientific Computing Team and serves on Kitware’s employee stock ownership plan (ESOP) committee, helping colleagues understand the rights and responsibilities of being an employee-owner.
Before joining Kitware, he was lead architect and developer at a small company whose software helped scientists set up simulations and visualize results in fields such as space weather, nuclear science, and ocean science. Earlier, as a software engineer at LORIA/INRIA in France, he helped a research team design and build collaborative algorithms and platforms.
Sébastien holds two master’s degrees from the Université de Lorraine: one in engineering from Polytech Nancy and one in software engineering. During his studies, he spent a year as an exchange student at Linköping University in Sweden.
Publications
- J. Lee, S. Jourdain, C. Quammen, P. O'Leary, and B. Geveci, "Domain-Grounded Tool Orchestration for LLM-Guided Scientific Analysis," 2026. [URL]
- P. Avery, A. Genova, D. Lipsa, S. Jourdain, A. Deb, A. Kumar, A. Michelson, H. Yan, and K. Mueller, "Multivariate Volume Rendering in VTK, ParaView, and Tomviz: Desktop and Web Implementations," Microscopy and Microanalysis, vol. 32, no. Supplement_1, pp. ozag053.1026, Jul. 2026. [URL]
- S. Jourdain, P. O’Leary, and W. Schroeder, "Trame: Platform Ubiquitous, Scalable Integration Framework for Visual Analytics," IEEE Computer Graphics and Applications, vol. 45, no. 2, pp. 126-134, Mar. 2025. [URL]
- P. Avery, S. Jhaveri, C. Tsolakis, S. Jourdain, A. Deb, A. Kumar, X. Zhang, H. Yan, X. Huang, and K. Mueller, "Multivariate Volume Data: Advances in Visualization and Analysis Techniques," Microscopy and Microanalysis, vol. 31, no. Supplement_1, pp. ozaf048.1150, Jul. 2025. [URL]
- S. Jourdain, C. Quammen, D. Thompson, R. O'Bara, B. Geveci, and P. O'Leary, "Improving Usability and Broadening Adoption of Simulation With Microworkflows," in AIAA SCITECH 2025 Forum, 2025. [URL]
- B. Hu, B. RichardWebster, P. Tunison, E. Veenhuis, B. Ravichandran, A. Lynch, S. Crowell, A. Genova, V. Bolea, S. Jourdain, and A. Whitesell, "NRTK: an open source natural robustness toolkit for the evaluation of computer vision models," in Assurance and Security for AI-enabled Systems, 2024. [URL]
- P. Avery, S. Jourdain, and P. O’Leary, "trame: an Open Source Framework for Efficiently Building Interactive Visualization and Analysis Applications," Microscopy and Microanalysis, vol. 30, no. Supplement_1, pp. ozae044.1100, Jul. 2024. [URL]
- J. Windgassen and J. Göbbert, "JuViz: Browser-based interactive Visualization for HPC," ISC High Performance 2024, vol. ISC24, pp. 13 May 202415 May 2024, 2024. [URL]
- L. Condon, A. Farley, S. Jourdain, P. O’leary, P. Avery, L. Gallagher, C. Chennault, and R. Maxwell, "ParFlow Sand Tank: A tool for groundwater exploration," Journal of Open Source Education, vol. 6, no. 61, pp. 179, Mar. 2023. [URL]
- N. Malitsky, A. Chaudhary, S. Jourdain, M. Cowan, P. O’Leary, M. Hanwell, and K. Van Dam, "Building near-real-time processing pipelines with the spark-MPI platform," in Proceedgins of the New York Scientific Data Summit, 2017. [URL]
- D. Thompson, S. Jourdain, A. Bauer, B. Geveci, R. Maynard, R. Vatsavai, and P. O'Leary, "In Situ Summarization with VTK-m," in Proceedings of the Workshop on In Situ Infrastructures for Enabling Extreme-Scale Analysis and Visualization, 2017. [URL]
- P. O'Leary, M. Christon, S. Jourdain, C. Harris, M. Berndt, and A. Bauer, "HPCCloud: A Cloud/Web-Based Simulation Environment," in IEEE International Conference on Cloud Computing Technology and Science, 2015. [URL]
- J. Ahrens, S. Jourdain, P. OLeary, J. Patchett, D. Rogers, and M. Petersen, "An Image-Based Approach to Extreme Scale in Situ Visualization and Analysis," in International Conference for High Performance Computing, Networking, Storage and Analysis, 2014. [URL]
- S. Jourdain, S. Wittenburg, and P. O'Leary, "Python enabled ParaViewWeb for HPC analysis and visualization," in Workshop on Python for High-Performance and Scientific Computing, 2014.
- C. Marion, J. Pouderoux, J. Jomier, S. Jourdain, M. Hanwell, and U. Ayachit, "A hybrid visualization system for molecular models," in Proceedings of the International Conference on 3D Web Technology, 2013. [URL]
- J. Jomier, S. Jourdain, U. Ayachit, and C. Marion, "Remote visualization of large datasets with MIDAS and ParaViewWeb," in Proceedings of the International Conference on 3D Web Technology, 2011. [URL]
- K. Moreland, M. Hereld, M. Papka, S. Klasky, R. Oldfield, P. Marion, S. Jourdain, N. Podhorszki, V. Vishwanath, N. Fabian, C. Docan, and M. Parashar, "Examples of in transit visualization," in Proceedings of the international workshop on Petascal data analytics: challenges and opportunities, 2011. [URL]
- S. Jourdain, U. Ayachit, and B. Geveci, "ParaViewWeb, a web framework for 3D visualization and data processing," in IADIS International Conference on Visual Communication, 2010.
- S. Jourdain, L. Mallet, J. Forest, C. Mouton, B. Nouailhas, G. Moniot, F. Kolb, S. Chabridon, M. Simatic, and Z. Abid, "ShareX3D, a scientific collaborative 3D viewer over HTTP," in Proceedings of the international symposium on 3D web technology, 2008. [URL]
