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RHPCS Staff Directory

General inquiries can be directed to


Hope Nestor Contact Hope

Operations Manager

Todd Pfaff Contact Todd

Technical Director

Researcher Support Team

Tewodros Deneke Contact Tewodros

Research Computing Specialist

Matt McCollow Contact Matt

Senior Research Computing Specialist

Ginet Segui Lines Contact Ginet

Team Lead, Senior Research Computing Specialist

Wale Soyinka Contact Wale

Senior Research Computing Specialist

Ye Yuan Contact Ye

Research Computing Specialist


Weiguang Guan Contact Weiguang

Research Scientist

Mark Hahn Contact Mark

Research Computing Specialist

Sergey Mashchenko Contact Sergey

Senior Research Associate

Domain-Specific Support Team

Jason Bernard Contact Jason

Postdoctoral Fellow

Dan Bosnyak Contact Dan

Technical Director, LIVELab; Research Scientist

Mike Lumsden Contact Mike Lumsden

Technical Support Specialist / Spécialiste en soutien technique

Mike Pikolon Contact Mike Pikolon

Director, Information Technology / Directeur, Technologie de l’information