

Hosted Exchange
Email Firewall


Ceryx is led by industry visionary and sought-after messaging expert Gus Harsfai, and our team includes highly skilled resources focused on research and development and customer support. Gus has more than 17 years experience in the messaging industry and many of the people who started working with him more than 15 years ago are still with the company today. Ceryx has deep messaging expertise and is one of the few Microsoft Gold Certified Partners with multiple competencies including Advanced Infrastructure Solutions, Information Worker Solutions, Mobility Solutions, Networking Infrastructure Solutions.
Many of our employees both have advanced degrees in Computer Science or Engineering and also have industry-specific certifications, for example from Microsoft and RIM. Our technology team is led by Dr. David Penny, a Ph.D. in Computer Science. Dr. Penny has held the roles of CTO and VP R&D at Algorithmics and Electronics Workbench, two well-regarded Canadian technology success stories. Dr. Penny is a Professor of Computer Science at the University of Toronto (currently in an Adjunct capacity), and has been an industry consultant on software engineering best practices.
Gus Harsfai, President & CEO
Gus Harsfai is one of the leading experts on Microsoft Exchange in North America and has provided messaging expertise and counsel to Fortune 500 companies for nearly 20 years. Gus founded the company that eventually became Ceryx in 1989 and oversaw messaging deployments and migrations for the Government of Canada, Unilever, Baker and McKenzie, Pharma Plus, Magna Entertainment, Yellow Pages and other companies throughout Canada, the United States and South America.
Gus' efforts earned the company the distinction of being the primary source for email related services throughout the Fortune 500 community. He is regularly quoted in the media on topics related to messaging, Microsoft Exchange, and Ceryx' effective approach to spam management and messaging security.
Media are welcome to contact Gus to discuss:
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