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Visualization researcher with interest in visual analysis in multi-dimensional continuous spaces and understanding complex models.

Journal publications


Dykes, Jason, Alfie Abdul-Rahman, Daniel Archambault, Benjamin Bach, Rita Borgo, Min Chen, Jessica Enright, et al. “Visualization for Epidemiological Modelling: Challenges, Solutions, Reflections & Recommendations,” arXiv:2204.06946 [cs]. 2022.

Schwarzl, Magdalena, Ludovic Autin, Graham Johnson, Thomas Torsney-Weir, and Torsten Möller. “Cellpackexplorer: Interactive model building for volumetric data of complex cells,” Computers & Graphics: X. 2019.

Torsney-Weir, Thomas, Torsten Möller, Michael Sedlmair, and R. Mike Kirby. “Hypersliceplorer: Interactive visualization of shapes in multiple dimensions,” Computer Graphics Forum. 2018.

Torsney-Weir, Thomas, Michael Sedlmair, and Torsten Möller. “Sliceplorer: 1D slices for multi-dimensional continuous functions,” Computer Graphics Forum. 2017.

Torsney-Weir, Thomas, Steven Bergner, Derek Bingham, and Torsten Möller. “Predicting the interactive rendering time threshold of Gaussian process models with HyperSlice,” IEEE Transactions on Visualization and Computer Graphics. 2017.

Pajer, Stephan, Mark Streit, Thomas Torsney-Weir, Florian Spechtenhauser, Torsten Möller, and Harald Piringer. “WeightLifter: Visual Weight Space Exploration for Multi-Criteria Decision Making,” IEEE Transactions on Visualization and Computer Graphics. 2016.

Kainz, Bernhard, Markus Steinberger, Wolfgang Wein, Maria Kuklisova-Murgasova, Christina Malamateniou, Kevin Keraudren, Thomas Torsney-Weir, et al. “Fast Volume Reconstruction from Motion Corrupted Stacks of 2D Slices,” IEEE Transactions on Medical Imaging. 2015.

Torsney-Weir, Thomas, Ahmed Saad, Torsten Möller, Britta Weber, Hans-Christian Hege, Jean-Marc Verbavatz, and Steven Bergner. “Tuner: Principled Parameter Finding for Image Segmentation Algorithms Using Visual Response Surface Exploration,” IEEE Transactions on Visualization and Computer Graphics. 2011.

Conference publications

Gibson, F., R. Fabbro, A. Rahat, Thomas Torsney-Weir, D. Archambault, M. Gravenor, and B. Lucini. “An interactive tool for enhancing hospital capacity predictions using an epidemiological model,” Proceedings of the Genetic and Evolutionary Computation Conference Companion. 2021.

Çetin, Asil, Torsten Moeller, and Thomas Torsney-Weir. “CorpSum: Towards an Enabling Tool-Design for Language Researchers to Explore, Analyze and Visualize Corpora,” Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems. 2021.

Diehl, Alexandra, Elif E. Firat, Thomas Torsney-Weir, Alfie Abdul-Rahman, Benjamin Bach, Robert Laramee, Renato Pajarola, and Min Chen. VisGuided: A Community-driven Approach for Education in Visualization 2021.

Torsney-Weir, Thomas, Shahrzad Afroozeh, Michael Sedlmair, and Torsten Möller. “Risk fixers and sweet spotters: A study of the different approaches to using visual sensitivity analysis in an investment scenario,” EuroVis 2018 - Short Papers. 2018.

Torsney-Weir, Thomas, Michael Sedlmair, and Torsten Möller. Decision making in uncertainty visualization 2015.

Other publications

Torsney-Weir, Thomas. “Slicing multi-dimensional spaces” 2018.

Torsney-Weir, Thomas. “Visual analysis of high-dimensional parameter spaces” 2012.

Torsney-Weir, Thomas, Ahmed Saad, Torsten Möller, Britta Weber, Hans-Christian Hege, and Jean-Marc Verbavatz. PReSM: Principled parameter finding for image segmentation algorithms using visual response surface exploration 2011.

Academic positions

July 2021 – present
Researcher Biomedical image informatics, VRVis Zentrum für Virtual Reality und Visualisierung Forschungs-GmbH
July 2019 – June 2021
Lecturer Computer science department, Swansea University
April 2018 – June 2019
Universitätsassistent (“post doc”) Visualization and data analysis research group, University of Vienna
July 2016 – October 2016
Research internship Center for Applied Scientific Computing, Lawrence Livermore National Laboratory
January 2015 – April 2018
Universitätsassistent (“prae doc”) Visualization and data analysis research group, University of Vienna
January 2011 – December 2012
Research assistant GrUVi Lab, SFU Computing Science Department
September 2005 – May 2006
Research assistant NYU Proteus Project, NYU Computer Science Department
May 2002 – October 2002
Research assistant “Learning driving behaviors for autonomous vehicles,” NIST-funded project, Georgetown Computer Science Department


PhD in Computer Science. University of Vienna, Vienna, Austria
MSc in Computer Science. Simon Fraser University, Burnaby, BC, Canada
BS in Computer Science. Georgetown University, Washington, DC, USA

Invited talks

September 8, 2020
“Visualization for understanding regression models.” Turing Institute, London, UK.
October 30, 2019
“Visualizing multi-dimensional spaces.” JKU Linz, Austria.
May 03, 2019
“Visualization and machine learning.” Data science hackathon, Vienna, Austria.
March 18, 2019
“Slicing multi-dimensional spaces.” Data and Design Meetup, Vienna, Austria.
January 10, 2017
“Visualization of machine learning algorithms.” JKU Linz, Austria.
January 8, 2017
“Tuner”, MedVis 2, TU Wien, Vienna, Austria.
November 30, 2017
“Slicing multi-dimensional spaces.” Discrete geometry seminar, Freie University Berlin, Germany.
May 6, 2014
“scala-swing.” Vienna Scala meetup group, Vienna, Austria.
September 19, 2013
“Tuner.” Visualization and virtual reality research group, University of Leeds, Leeds, UK.
June 20, 2012
“Tuner.” MADAI workshop, Duke University, Durham, NC.
September 16, 2011
“Visualization of computer models.” MoCCSy Graduate Seminar, Burnaby, BC.

Scientific activities

2022 – present
Poster chair, VCBM (EG Workshop on Visual Computing for Biology and Medicine)
2020 – present
IPC member, Eurovis papers track
2019 – present
IPC member, EuroVis STAR
2014 – present
Program committee member, International Conference on Intelligent User Interfaces
2012 – present
Reviewer, IEEE Transactions on Visualization and Computer Graphics
2020 – present
Reviewer, Frontiers in Bioinformatics
IPC member, International Symposium on Visual Computing
2016 – 2018
Student volunteer chair IEEE Visualization conference
Program committee member, Workshop on Exploratory Search and Interactive Data Analytics (ESIDA 2018)
2016 – 2018
Program committee member, International EuroVis workshop on visual analytics (EuroVA)
2012 – 2014
Reviewer, EG/VGTC Conference on visualization (EuroVis)
Reviewer, Computers and Graphics


Academic awards

A/B publication strategy award, University of Vienna
Spring 2012
SFU graduate fellowship (Masters), CAD 6,250

Professional positions

September 2007 – June 2010

Vice President, Lead Developer StoneCastle Partners. New York, NY

  • Implemented an investment management system for a variety of asset types using Pylons/Python, the Dojo javascript framework, and PostgreSQL.
  • Specified and supervised the integration of the Alfresco document management system with the investment management system to track key investment decisions and deal documents.
  • Designed a GIS system for monitoring areas of the country risky to banks.
  • Built a genetic algorithm to find the optimal method to perform field visits across the country.
  • Used the Condor grid service to implement a CDO evaluation system that enabled a Unix server to call a Windows-only application.
  • Wrote a simple web crawler to download rural newspaper articles to a central data store so analysts could browse regional news not covered by the major news aggregation sites.
July 2004 – September 2007

Vice President, Lead Developer Bear Stearns Asset Management. New York, NY

  • Supervised a team of 4 to design and implement a front-office portfolio surveillance system for a structured finance hedge fund using a SQL database using Java and Ruby on Rails.
  • Used Condor to parallelize various long-running tasks across multiple compute nodes.
  • Assisted with the design and implementation of a proprietary credit risk model for an internally managed fund.
  • Interacted directly with business staff to design and implement a variety of portfolio management systems.
March 2003 – July 2004

Senior Associate Moody’s Investors Service. New York, NY

  • Implemented a spread-based Monte Carlo asset simulation in C.
  • Created a combination Excel spreadsheet and C to create an Excel add-in to rate combo notes.
  • Assisted analysts with modeling complex waterfall steps in CDO Analytics.
  • Assisted with the coordination of the CDO Analytics testing team.
  • Wrote specifications based on analysts’ suggestions and work flow.

Other activities