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Derek Sayers

MRICS, MSCL, MIIC Managing Director, Practice Lead - Construction Claims

Derek Sayers is the Managing Director and the Practice Lead for the Construction Claims Group at Haag Canada. Mr. Sayers has over 30 years’ experience as claims professional: project contracts manager, corporate claims manager and commercial specialist. In addition to this, he has built up the brand name and business of consulting firms in Canada since 2016, building solid and enduring relationships with owners, lawyers, and contractors across Canada. As Managing Director, Mr. Sayers leverages his expertise and leadership skills to serve Haag’s clients and expand the market reach of Haag Canada.



  • Surmont 2 Oil Sands, Fort McMurray, Canada – Project Contract & Risk Manager
  • Sadara Petrochemical Plant, Jubail, Saudi Arabia – Claims & Risk Manager
  • Western Transmission Line, Alberta, Canada – Forensic Analysis
  • Kashagan Phase 1 Offshore / Onshore Oil and Gas Project, Caspian Sea, Kazakhstan – Project Contract & Cost Manager
  • Karachaganak Onshore Oil Field, Kazakhstan – Contract Administrator
  • Coal fired power station, Batangas, Philippines – Final account preparation
  • Coal fired power station, Sual, Philippines – Contract Administrator


  • High-rise office building, Calgary, Canada – Forensic Analysis


  • University buildings, Calgary, Canada – Forensic Analysis


  • Nuclear waste facility, Reading, United Kingdom – Contract Administrator


  • Hospital, Alberta, Canada – Forensic Analysis


  • Hotel / Residential complex, Toronto, Canada – Forensic Analysis


  • Aluminum refinery, Queensland, Australia – Contract Administrator


  • Sewerage treatment works, Cyprus – Contract Administrator
  • Bridge, Edmonton, Alberta – Change Management
  • Western Transmission Line, Alberta, Canada – Forensic Analysis
  • Airport, Hong Kong – Contract Administrator
  • Pipeline pumping stations – East Coast, Canada – Forensic Analysis
  • Substation, Cyprus – Contract Administrator


  • Royal Institution of Chartered Surveyors, 1992 to Present
  • Society of Construction Law North America, 2018 to Present
  • Speaks fluent English, conversational Spanish and Italian, and basic Indonesian