Our People

Our people are what make SciNet special.  Let us introduce you to our team.

Scientific Director

Dick Peltier, Scientific Director, SciNet Prof. W. Richard Peltier, FRSC is University Professor and Professor of Physics at the University of Toronto, Director of the Centre for Global Change Science, PI of the Polar Climate Stability Network, and Scientific Director of SciNet. He has long championed the availability of HPC resources in Toronto, in Ontario, and across Canada to power cutting edge research. He has recently won the Herzberg Gold Medal, Canada’s top Science and Engineering prize, as well as the Bower award, which has previously been awarded to such people as Marie and Pierre Curie, Thomas Edison, Orville Wright, and Stephen Hawking.

Technical Staff

Dr. Daniel Gruner, CTO
Daniel has more than twenty years’ experience working with a variety of programming languages, parallel computing, scientific modeling, software architecture, and administration and architecture of large Beowulf clusters and large shared-memory parallel computers. He has a doctorate in chemical physics from the University of Toronto.
Scott Northrup, HPC Analyst, SciNet Dr. Scott Northrup, Hardware Operations and Applications Analyst
Scott has extensive HPC experience as a software developer, administrator, and systems architect.  His primary research expertise is in computational fluid dynamics, combustion modelling, and large-scale parallel numerical algorithm development.  Scott has an applied mathematics and engineering background with a PhD from the University of Toronto Institute for Aerospace Studies.
Dr. Joseph Chen, HPC Administrator
Joseph is the Systems Administrator of SciNet and the High Performance Parallel Cluster Administrator at the Institute for Aerospace Studies (UTIAS), University of Toronto. He earned his doctoral degree in computer science with magna cum laude at the University of Hamburg, Germany and worked there as research assistant post-doc fellow for three and a half years.
Jaime Pinto, HPC Storage, SciNet Jaime Pinto, Storage Administrator
Jaime has an Aeronautical Engineering, Computer Science and Commerce background. A seasoned professional, he has a history of successful IT engagements, with focus and dedication to customer service and satisfaction, working for organizations such as Spin Productions, IMAX, RIM, and more recently in a research environment at The Hospital for Sick Children and Mount Sinai Hospital. He has a particular interest on financial models and wealth management strategies.
Dr. Ching-Hsing Yu, HPC Administrator
Ching-Hsing obtained his PhD in Theoretical Chemistry. He has extensive experience in HPC, ab initio calculations, and molecular dynamics simulations.
Dr. Leslie Groer, ATLAS
Leslie is the manager of the SciNet Atlas Tier-2 Computing Facility which is part of the Worldwide Large Hadron Collider Computing Grid (WLCG) Dr. Groer has conducted research at the CDF and Dzero high-energy particle experiments at the Fermi National Accelerator Laboratory.
ramses5 Dr. Ramses van Zon, HPC Applications Analyst
Ramses obtained his Ph.D. in Physics at Utrecht University, and has worked at the Rockefeller University and at the Chemical Physics Theory Group of the University of Toronto. He has extensive experience with shared memory computing, advanced algorithms for molecular dynamics, and bioinformatics computations.
Erik S_06 Dr. Erik Spence, Applications Analyst
Erik received his doctorate in plasma physics from the University of Wisconsin-Madison. He has held postdoctoral positions at ETH-Zurich, University of Toronto and Princeton University. His research experience in parallel computation focused on fluid dynamics and magnetohydrodynamics, with an emphasis on liquid-metal experiments.

Dr. Marcelo Ponce, Applications Analyst
Marcelo obtained his PhD in Astrophysics from the Rochester Institute of Technology, as a member of the Center for Computational Relativity and Gravitation.
His research expertise focuses in the area of Computational Astrophysics, more specifically Numerical Relativity, i.e. solving Einstein’s equations of General Relativity numerically, using supercomputers to simulate extreme scenarios, such as, multiple black holes and binary neutron star mergers.
Marcelo also holds graduate lecturer appointments at the Department of Physics and the Institute of Medical Sciences at the University of Toronto.
nolta Dr. Mike Nolta, Applications Analyst
Mike received his Ph.D. in Physics from Princeton University, and divides his time between SciNet and the Canadian Institute for Theoretical Astrophysics. His research experience involved the reduction of massive datasets from microwave telescopes.
Marco Saldarriaga, HPC Systems Administrator
Dr. Bruno Mundim, Applications Analyst
Bruno obtained his Ph.D. in Physics at the University of British Columbia, and has worked at the Rochester Institute of Technology and the Albert-Einstein-Institut in Germany. His background is in computation astrophysics.
Vladimir Slavnic, HPC Systems Administrator
Alexey Fedoseev, Applications Analyst
Raphaelle Gauriau, Information Systems Security
Raphaelle is the Information Security Systems Manager at SciNet. She is
bringing ten years of industry experience, when she dedicated her time to
cybersecurity operations and compliance projects. She holds a Master’s
degree in computer science and CISSP certification.

Administrative Staff


Alexandre Dos Santos, Project Coordinator
Jackie Denholm, Business Officer