Joshua Chia


Joshua joined IEN Consultants in 2014, the pioneer Environmentally Sustainable Design (ESD) consultancy in Malaysia, with offices in Singapore as well as China. He specialises in building certifications, building designs and energy simulations.

He has been involved in projects such as offices, factories, data centres, schools, and hospitals. On most projects, he is the lead consultant managing the meetings, conducting site audits and technical reviews, as well as compiling the LEED and GBI submissions (if any).

Joshua specializes in building certifications such as LEED and WELL where he is an Accredited Professional. His expertise also includes passive and active energy efficient strategies and dynamic energy simulations energy simulations through IES Virtual Environment software

Key project references include Paramit – Factory in the Forest, a multi-award winning project with foundational ESD principles of Biophilia, Energy Efficiency, Daylighting and Water Efficiency.

He is currently engaged with projects such as the Singapore American School (SAS) Masterplan, Hospital Jasin LEED Certification, and Dexcom Malaysia LEED Certification.

Selected Experiences

Paramit – Factory in the Forest, Penang – Multi-award winning factory
Kuala Lumpur Eco City (KLEC) Mercu 3 (Office Tower) – GBI Gold
Kuala Lumpur Eco City (KLEC) ViiA Residences (Hotel & Service Residence) – GBI Certified and Green Mark Gold
TM ONE Klang Valley Core Data Centre (KVDC) – GBI Certified and LEED Silver
National University of Singapore (NUS) School of Design and Environment (SDE) 1&3 – Green Mark Platinum
Hospital Sultanah Maliha, Langkawi – 1st LEED v4 O+M Gold Certified Hospital in the world
Singapore American School (SAS) Masterplan – Green Mark Platinum and WELL Gold
Hospital Jasin – LEED Gold
Dexcom Penang – LEED Certified
Ministry of Health Malaysia Energy Benchmark Exercise for Hospitals


Bachelor of Engineering (Renewable Energy Engineering), UNSW


LEED Accredited Professional (AP) Building Design & Construction (BD+C)
LEED Accredited Professional (AP) Building Operations & Maintenance (O+M)
WELL Accredited Professional (AP)


Paramit – Factory in the Forest:
- LEAF Award 2017, Winner
- FutreArc Green Leadership Award 2018, Winner
- Malaysia National Energy Awards 2019, Runner Up
- ASEAN Energy Awards 2019, 1st Runner Up

Publications & Papers Presented

Improving Energy Efficiency through Inexpensive Building Envelope Retrofits – Green Building & Parks World 2017