SUN used to be a head of over 370 staff, with research programs reporting to Chinese government for supporting energy policy decision making. He was deeply involved in the Chinese energy five-year plan and many other major policies. During his tenure as president of CNPC ETRI, the institute was selected as a National Energy Administration research and consulting base and as a pilot institution in the first round Chinese national advanced think-tank selection. With more than 30 years of oil & gas industry working experience, he accumulated practical industry experience in oil and gas production, trading, and pipeline construction. He once worked as Chairman of CNPC subsidiary company in Sudan, South Sudan, and the countries in Central Asia. He had participated in the involvement of cooperation with OPEC, the International Energy Agency Ministerial Conference, and G20 Energy Ministerial Meeting for times. He also worked a chief negotiator into the negotiation and cooperation in several CNPC foreign cooperation projects. He is frequently invited as a speaker or moderator in international important events and has published many academic papers.

• President, the International Society for Energy Transition Studies(ISETS)
• Former Secretary General of International Energy Forum
• Ph.D. in CPMLP, University of Dundee, UK
• Former President, CNPC. Economics and Technology Research Institute(ETRI)
• Senior Researcher, First Round Chinese National Advanced Think-tank of Chinese Government, Approved by President of China
• Secretary General, Asia Gas Market Forum (AGMF)
• Vice Chairman, the Northeast Asian Gas and Pipeline Forum (NAGPF)
• Executive Deputy Director, Economics Committee, Chinese Petroleum Society
• Board Director, Editorial Committee, International Petroleum Economics Magazine
• Chief Consultant, China-Russia Vice Premier-level Energy Dialogue
• Expert，United Nations Economic and Social Council
• Professor-level Senior Economists