Mr. Tan currently serves as Vice President of Brain Trust, Inc., where he contributes to the organization’s work in CLIMATE CHANGE and ENVIRONMENT. He has also contributed to work related to climate change, including involvement in studies and initiatives on climate change in the Philippines over a period of 15 years. 

He is actively engaged in governance and advisory roles across several institutions. He is a Trustee of the Philippine Disaster Resilience Foundation, a Member of the WWF Philippines National Advisory Council, and a Board Member of PHINMA Education (Laguna schools) and the Elena P. Tan Foundation. 

Mr. Tan served two terms as Chief Executive Officer and Vice-Chairman of the Board of Trustees of WWF Philippines. He also served as a Commissioner for Science and Technology of the UNESCO National Commission of the Philippines.