David Green, CEng, CPMP, LEED AP BD+C

Managing Director

David is a founder and Director of CDML with 30+ years of project experience. David is the CDML leader for all business in Western Canada.

Prior to joining CDML David’s experience in the UK included the $2 billion refurbishment of the Ministry of Defence in London, which is one of the largest P3 projects ever delivered in the UK. David joined CDML with the goal of redefining commissioning in Canada to equal and then exceed international best practices. His specialties include commissioning, controls engineering, building services design and project management.

Since his arrival in Canada he has led the commissioning teams on numerous projects across the country, including P3 project at Bridgepoint Hospital in Toronto, Ontario, the New Regional Hospital in Moose Jaw, Saskatchewan, and Rogers Place the new home to The Oilers in Edmonton Alberta. 

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Mark Boswell


Mark is a Director of CDML and the leader for all CDML business in Eastern Canada.

Mark brings 30 years experience to the CDML team. Following a very successful career in the UK, Mark relocated to Canada and has brought his deep building commissioning experience to CDML. Mark has a background in Testing, Adjusting & Balancing and is a NEBB Certified Professional.

Mark is also a very experienced whole building commissioning manager and consultant. Mark has worked extensively on commissioning projects in other countries including Russia, Kenya, Europe and Bermuda which have enhanced his holistic approach to building commissioning. Mark’s current work includes leading commissioning and commissioning management for all our projects in eastern Canada.

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Jay Parekh


CDML has offices in Toronto and Edmonton. CDML have successfully completed over 450 projects globally across Canada, Bermuda, the Middle East and Australia. 

CDML staff are multi discipline (MEP, Controls Engineering Cx and TAB), we do not use outside resources to deliver our work. Our senior staff includes Licensed Professional Engineers, Chartered Engineers, Certified Engineering Technicians, LEED Accredited Professionals, NEBB Certified Building Commissioning and TAB professionals, ASHRAE and University of Wisconsin Certified Process Management Professionals and BREEAM Accredited Professionals.