David's primary focus is construction documentation and its integration with BIM, developing and marketing specifications and software tools since 1996. His current roles is providing technical sales support deploying his company's new web-based specifications software tool with BIM integration.

David got his first taste of BIM technology by participating with the International Construction Information Society (ICIS), on behalf of his company or as a representative of Construction Specifications Canada (CSC). David has been an active member of CSC for decades, and was inducted into the CSC College of Fellows in 2009.

David has been involved at buildingSMART International (bSI) for over 20 years in a technical capacity developing standards for BIM and was elected Fellow of bSI in 2023. David has been involved in the development of the buildingSMART Data Dictionary (bSDD), including development of the ISO standard it is based on (first published in 2007 and updated in 2022), and continues to promote the evolution and application of bSDD.

David also served on international ISO committees on topics related to BIM, and currently serves as vice-chairman of the Canadian mirror committee for BIM standards, representing Standards Council of Canada (SCC) at the International Standards Organization (ISO) level.  This ISO committee is responsible for approximately 20 BIM standards that have been published or are under development.

As a founding director of buildingSMART Canada (bSC), David now focuses on bringing the openBIM message to Canadians. He participated in development of a Canadian annex for the ISO 19650 BIM standard, and currently serves bSC as Treasurer.