Sumus is committed to work effectively by working closely with other well-respected consultants when needed.

Lester Jordon M.Sc, CNE

Lester Jordon has helped clients extensively to adapt and innovate business processes with enabling technologies. Lester has over 15 years information technology experience in project management, leadership, and organizational change management. He has worked in a variety of industries including Manufacturing, Telecommunications, Utilities, Financial Services, IT Outsourcing and Retail. Teams under his leadership meet milestones and present clients with high quality and timely deliverables.


Rui Pereira B.Sc. (Hon), CISSP, CISA, ISP

Rui Pereira has a wide range of experience in Information Technology (over twenty-five years), the last fifteen of which have been focused on Information Security work. He has provided Information Security consulting services to a number of local organizations, both large and small. These have included ICBC, the Ministry of Human Resources, E-Comm, the BC Liquor Distribution Branch, and Van City Mutual Funds. Rui brings a wealth of technical expertise to any project he tackles, as well as a willingness to do what it takes to make any project a success.


Tom Jacoby B.Sc, CCIE

Being the brain behind one of the top Cisco Partners in BC -- IOSecure internet Operations, Tom Jacoby brings over a decade of enterprise networking experience. In 1996 Tom obtained his Cisco Certified Internetworking Expert Certification (# 1967), the first person to do so in Western Canada, and still one of the few to succeed on the first sitting and without the assistance of Cisco courses. There are currently only 10 CCIE’s in BC outside of Cisco staff. Tom’s recent projects include LAN upgrades for the Vancouver Coastal Health Authority in support of the new Jimmy Pattison pavilion. He also manages some customers’ internet security infrastructure, and is responsible for network traffic representing an estimated $8B of transactions per year through Cisco firewalls.


Tina Yeo CISA

With over twenty-five years of experience in information technology, twenty of them as an information systems auditor. Tina brings to the project team her sharp business sense and business analysis skills. She has extensive knowledge of IS controls, security, assurance and governance, including best practices and due diligence for corporate security. Her expertise is in technology risk consulting, focusing on risks associated with information technology, including network security as well as the integrity and security of data and information systems.


Rescio Souza B.Sc, MCSE

Armed with twenty-five years of experience in Systems development, implementation and integration, Rescio Souza has become a well-known Microsoft technologist in the lower mainland. He has extensive experience in the deployment of Microsoft infrastructure solutions, systems upgrades and migrations. His most recent work has been focused on migrations and upgrades of network infrastructure services, including both operating systems and messaging systems.