Previously, he was the Indonesian Ambassador to the Netherlands, and Permanent Representative to the Organisation for the Prohibition of Chemical Weapons. He was Indonesian ASEAN-SOM Leader and served as Indonesian High-Level Task Force on ASEAN Community Post-2015 Vision. He also served as Ambassador of Indonesia to Austria and Slovenia, concurrently PR to the UN and other IOs in Vienna. Prior, he served as Ambassador/Deputy PR of Indonesia to the UN, WTO and other IOs in Geneva.

Moreover, he also served as Vice Chair of the Conference of State Parties, Chemical Weapons Convention in 2017-2018; Governor of Indonesia to the IAEA Board of Governors in 2011-2012; Indonesian Sherpa for the Nuclear Security Summit 2012; President of the Inter-Government Committee (IGC) on Intellectual Property and Genetic Resources, Traditional Knowledge and Folklore, WIPO; and Member of the Indonesian Negotiators for Aceh Peace Agreement in 2000-2005.