Two Home Team agencies -- the Central Narcotics Bureau (CNB) and Immigration and Checkpoints Authority (ICA) -- will be getting new heads after the Ministry of Home Affairs announced leadership changes on Wednesday (July 2). Veteran narcotics officer Sebastian Tan, 49, returns to CNB as its director on Aug 1. He is currently the Senior Director of the Ministry's International Cooperation and Partnerships Division. He takes over from Leon Chan, 44, who is currently acting director of CNB. Chan will return to the Singapore Police Force.Tan joined CNB in 2002 and rose to become its deputy director for operations between 2017 and 2021.During his tenure, he is credited with maintaining a high tempo of anti-drug enforcement operations in the line divisions he oversaw. He was also responsible for significant policy and legislative amendments, including the review of the drug rehabilitation regime.  Read more