Mercer is head of ESG UK & EMEA at Colliers International. He has more than 20 years’ experience in the non-domestic property sector and has specialised in building optimisation throughout his career. Mercer has worked across both government and the private sector. Previously, he served as head of energy at JLL and director of energy services at CBRE. At Colliers, Mercer is responsible for technical and commercial leadership across a broad range of ESG services that are designed to deliver positive environmental change while enhancing the long term value of real estate assets. He advises on creating tangible ESG/NZC strategies and implementation plans at portfolio and asset-level, through to practical help optimising BMS and improving data quality.