Kelowna

leif ellingsen 2025

Leif Ellingsen, EIT

Leif Ellingsen is a Junior Mechanical Engineer In Training at our Kelowna Office and currently working towards his P.Eng. certification with EGBC. He has experience in residential and commercial project design and drafting. He is passionate about strong communication and working with teams to execute professional work through a project’s life, ultimately creating a product …

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Mathew Lawrence

Mathew is a new Mechanical Engineering Technology graduate from Okanagan College excited for the opportunity to utilize and cement the skills he has learned in a new work environment. Outside of work, you can often find Mathew working on a wide variety of mechanical and carpentry projects, or engaging in outdoor activities, such as camping …

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Randy Smith, P.Eng., LEED® AP

Randy is a Senior Building Scientist and Civil Engineer with over 30 years of experience in the fields of building science and materials engineering. He has a broad, detailed knowledge of building envelope performance and design and has conducted an extensive number of projects. He is a past president of the Alberta Building Envelope Council …

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Matthew Osterhout

Matthew brings over 18 years of commercial, industrial and institutional experience, a diverse yet solid mix of design consulting, carpentry and millwrighting. His past work includes exceptional project coordination, QA Matthew lives an active lifestyle. When he is not spending time with his friends and family, he can be found outdoors enjoying the sun.

Joshua Stark, P.Eng.

With over 10 years of experience in mechanical engineering, and hands on experience in construction, Joshua is a well-rounded individual with diverse experience in the construction industry. Joshua is responsible for leading the mechanical team in Kelowna and managing projects from inception to completion. He believes in doing a quality job and in implementing practical …

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Derek Hyde, AScT

Derek attended Southern Alberta Institute of Technology (SAIT) in Calgary, Alberta, where he received a diploma in engineering design and drafting technology. After completing his education, he worked for a mechanical consulting engineering firm in Calgary for four years before moving to the lower mainland. Derek has over 10 years’ experience in the mechanical engineering …

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Ben Crowther, Engineer-in-Training

Ben graduated from the University of British Columbia with a Bachelor of Applied Science (Dist.) in Mechanical Engineering. He brings diverse project experience in building design, CAD, environmental and biomedical engineering and looks forward to pursuing his P.Eng. designation with Williams Engineering. He is passionate about communication between team members and clients, along with implementing …

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