Derek is the Director of the Green Mark Department at the Building and Construction Authority (BCA). In this role, he drives strategic initiatives to promote sustainable building practices and leads a team evaluating projects under the Green Mark scheme, ensuring they adhere to high standards of sustainability.

Additionally, Derek serves as the Covering Director of the Quality & Certification Department at the BCA. Here, he spearheads the strategic planning of the CONQUAS programme to elevate construction quality standards in Singapore. The CONQUAS programme serves as Singapore’s national standard for assessing the construction workmanship quality of building projects.

Derek holds an MBA specialising in Real Estate and a degree in Environmental Engineering from the National University of Singapore.