Boon Siong is an IMCS Registered Management Consultant with over 25 years of experience in various industries including government, financial services, info-comm and sustainability, and holding different responsibilities from research to user operations and vendor service providers. He joined the sustainability movement in 2017 as he felt that it was important so that everyone could continue to co-exist in this ever-shrinking world.

He is currently the CEO of Aeterni.eco, a green consulting company specialising in sustainability strategy including reporting, carbon footprint for corporates, products and services and green finance. Aeterni.eco also provides training for corporates and public in these areas. He has been involved in various projects for entities like MAS, SGX, DBS, UOB, ICICI, PSA, SingPost, Philips, Sentosa, etc.

Boon Siong read Mathematics at Cambridge University and graduated with triple first class. He also holds a Diploma in Actuarial Science from the Institute of Actuaries and completed the Executive Development Programme at INSEAD.