David has worked on over 500 projects over a 25-year career in building renewal and enclosure design. He started as a project associate at Trow Associates in 1997 and subsequently at Halsall Associates in 1999 and took on increasing responsibilities culminating in being the Executive Vice-President and Building Enclosure Practice Leader before founding Synergy Partners in 2014. David applies the lessons learned in evaluating building enclosure performance in existing buildings to new building enclosures or building renewal to optimize building performance and durability. David is a member of Professional Engineers Ontario and a certified Building Science Specialist (BSS). He is the Chair of the CSA A440.6 subcommittee that deals with high-exposure Fenestration Installation and voting member of CSA-S478 Standard on Building Durability. David is currently a Part-Time Professor at TMU University where he teaches Building Envelope Restoration for the Masters of Building Science Program. David is also a part-time Professor at the University of Toronto where he delivers a course on Building Enclosures. He is a past President of the Ontario Building Envelope Council (2007-2008). In 2020, David was awarded with the Anthony A. Woods Career Achievement Award (The Beckie) for his significant contribution to the design, construction and performance of the building envelope.
