Meet the Team

The Centre for Advanced Computing (CAC) prides itself on a client-centered approach to Advanced Research Computing (ARC).

All CAC team members put our clients and partners first.

Our staff believe supporting researchers is the number one priority in making research happen.


Contact us


General Inquiries

Note We are currently working remotely. Voicemails are checked daily and admin emails are checked throughout the day. Thank you.

P: (613) 533-2561 | E: 

Technical Inquiries

Note Although we are working remotely, HelpDesk requests are monitored daily. Please submit a ticket for assistance via the email provided below. Thank you.


Alex Lemnaru

Director, Advanced Research Computing

Costa Dafnas

Manager, Security

Paige Beddoe

Manager, Research Engagement & Administration

Elise Degen

Communications & Relations

Michael Hanlan

User Support Specialist

Lucas Lapczyk

Security Engineer

Shelley Zhou

Systems Engineer

Nevil Joseph Silverius

Systems Engineer

Sridhar Ravichandran

User Support Analyst


Rakesh Srirajaraghavaraju

User Support Analyst


Brandon Robertson

Virtualization and Network Specialist


Dr. Shadi Khalifa

Senior Analytics Developer

Fernando Hernandez Leiva

Analytics Developer

Dr. Amal Khalil

Senior Analytics Developer

Dr. Hung Tam

Senior Analytics Developer

Colleen Murphy

Financial Officer

Heather Wiens

Administrative Assistant