P S Raghavan is Chairman of National Security Advisory Board (NSAB), which advises India’s National Security Council on strategic and security issues. From 1979 to 2016, he held diplomatic positions in USSR, UK, Poland, South Africa and Vietnam, and was India’s Ambassador to Czech Republic, Ireland and Russia. From 2000 to 2004, he was Joint Secretary in the Prime Minister's Office, dealing with foreign affairs, nuclear energy, space, defence and national security. As Secretary (2013-14) in the Ministry of External Affairs, he was in charge of India’s external economic relations and the Administration, Security and e-governance departments. He founded and headed the Development Partnership Administration, which coordinates India’s economic partnership with developing countries.