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Our Key Personnel

Dennis Coulson


Over 35 years’ experience in concrete restoration, general contracting and waterproofing. Dennis and his partner Ralph Ewel founded Redco Restoration Specialists Ltd. in 1988. Even today, Dennis personally inspects every project to ensure that the high quality and performance that our clients expect from REDCO is upheld.

Ralph Ewel

Vice President

Over 35 years’ experience in concrete restoration, waterproofing and general contracting. As a co-founder of REDCO, Ralph’s responsibilities have included everything from concrete finishing to site evaluations and estimating. Today, Ralph is primarily responsible for project estimating and revenue control.

John Lysenko

General Manager

Over 20 years’ experience in general contracting. Responsible for estimating and management of general contracting projects including tenant improvements, site development and construction, commercial renovation and contract management services.

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