Dr Conn YUEN founded CO2nnsulting in 2008. Dr YUEN passionately believes in providing clients aiming to build sustainable developments with bespoke state-of-the-art consulting services.  Prior to CO2nnsulting, Dr YUEN founded and headed WSP Energy Asia in 2005.

Dr YUEN, trained as an aeronautical engineer, is an expert in air flow and thermal fluids, and low carbon design. Dr YUEN has transferred her know-how from aero-engines to the built environment, and contributed to setting standards and benchmarks for sustainable buildings and masterplans. Dr YUEN is one of three consultants who spearheaded advisory services for air ventilation assessments in Hong Kong.

Dr YUEN was nominated as Chair of Technical Committee of LEED Platinum, and is a board member of LEED Platinum in 2014. Dr YUEN has been on the Technical Review Panel of BEAM Society Limited since 2008, and a director of BEAM Society Limited from 2009 to 2014.  Dr YUEN has served in the Audit Committee, expert panels for Technical Review Committee of BEAM Society Limited since inception. Dr YUEN‘s active involvement in the low carbon built environment helps to steer the future development of BEAM Plus, LEED, WELL and BREEAM; and to improve the robustness of the technical quality of these certification labels for New Buildings, Existing Buildings and Interiors. Dr YUEN is one of the first to attain LEED AP in Hong Kong, BREEAM International Assessor and WELL AP in Hong Kong. Dr YUEN has been a member of the Expanded Building Committee of HKSAR Government since 2011, and serves as an Assessor on the Assessment Panel of Enterprise Support Scheme, HKSAR Innovation and Technology Fund. Dr YUEN contributes to develop best practice guidelines for sustainable design for CIBSE.