Sek-loong Tan joined Boston Consulting Group in 2007 in the London office and has subsequently been based in BCG’s Melbourne, Mumbai, Kuala Lumpur, and Canberra offices. Sek focuses on the public sector, and works with government leaders to design and deliver on ambitious reforms. He has deep expertise in data and digital transformation, innovations in service delivery, agile at scale, and organizational effectiveness. He has worked with governments across Europe, Asia, and Australia, and in particular in social and human services, industry and trade, and economy and skills.

Sek previously advised companies in a range of private sector industries including consumer goods and retail; financial services; and technology, media, and telecom. Before joining the firm, Sek was a co-founder and Director of Operations and Strategy at Teach for Australia, and senior advisor to the CEO of Asialink in Australia, where he helped establish Asialink Business.


  • Master of Public Administration, Harvard Kennedy School
  • Master of Engineering, University of Cambridge
  • Bachelor of Arts (Engineering), University of Cambridge