NLSM Expands with Key Hire of Dr. Karen Liu

Medium head and shoulders portrait image of Dr. Karen Proud and Excited

Next Level Stormwater Management is very proud and excited to announce that Dr. Karen Liu joins the team on October 1, 2020.

“Karen is the right fit for Next Level Stormwater Management,” said Richard Aronson, Next Level’s General Manager. “She brings world-class experience to an already excellent team and will have an immediate and profound impact on Next Level’s growth. Karen’s extensive green roof background will help us further strengthen our presence as an industry leader. We believe her strong BC connections will help focus Next Level on building a stronger presence in Western Canada.” 

World-Class Experience

Karen has more than 20 years of experience in green roofs spanning both private and public sector. She was a product manager with Bonar Xeroflor GmbH / Low & Bonar PLC providing technical and marketing support to clients in North America, Europe and Asia.  Before joining the private sector, Karen was a lead researcher of the green roof programs at the National Research Council in Ottawa and the British Columbia Institute of Technology in Vancouver for over 10 years.  Her work examined the engineering performance of green roofs such as energy saving and stormwater management, and their climate sensitivity.   

Trusted Industry Advisor

“I am very excited to join the Next Level Stormwater Management team,” said Karen Liu. “I believe Next Level has a talented team and excellent reputation as a trusted industry advisor and supplier. The greatest companies are those that find a way to deliver excellent service with the highest integrity above and beyond their great products.”

Research and Development

Over the years, Karen collaborated with universities and research institutes to develop new green roof products and standards. Her work examined the engineering performance of green roofs such as energy saving and stormwater management, and their climate sensitivity.

Dr. Karen Liu looking at green roof layers NRC dynamic win

Key Participant in Development of CSA A123.24

Karen has been a member of the CSA A123 Technical Committee on Roofing Materials and was actively involved in the development of CSA A123.24 standard test method for wind resistance of modular vegetated roof assembly and applied this knowledge to improve the wind performance of green roof systems.

Karen received her BASc , MASc and PhD from the Department of Chemical Engineering and Applied Chemistry, University of Toronto.

Dr. Karen Liu can be emailed at, or call 416-637-5772 ext 9 or by cell 604-396-5772.

Next Level Stormwater Management logo in bold blue with logo above in blue and green

About Next Level Stormwater Management

One of Canada’s leading green roof suppliers – a one-stop-shop supplying vegetated roof systems customized to local requirements, with warranty and maintenance support. Next Level was a key participant in the research consortium that developed the first national wind testing standard for vegetated roofing CSA A123.24.

Next Level also offers analytical support such as stormwater calculations specific to location and building/roof type.