What is Mr goh chok tong responsibility?

Goh Chok Tong is a prominent Singaporean politician who served as the Prime Minister of Singapore from 1990 to 2004. After stepping down, he continued to play a significant role in Singapore's political landscape, including serving as the Senior Minister and later as the Emeritus Senior Minister. His responsibilities have included advising the government, engaging in public service, and contributing to national policies and initiatives. Additionally, he has been involved in various international and regional organizations, promoting Singapore's interests abroad.