Kitti is a Professor of international relations at the Faculty of Political Science, Thammasat University in Thailand. He is part of the advisory committee for the International Studies Center (ISC) at the Thai Ministry of Foreign Affairs, and used to serve as a strategic committee at the Thai Ministry of Defence (2014-19). Kitti is currently among the editorial board of the journal Global Studies Quarterly (published by the International Studies Association, U.S.).

Earning an M.A. from Keio University (Japan) and a Ph.D. from UC Berkeley, Kitti has a wide range of publications, including those on U.S.-Thailand alliance, Japan-Southeast Asia relations, ASEAN, and Thai politics. His recent interest is in soft power in East Asia, and public diplomacy.

Kitti was a visiting professor at UC Berkeley, teaching “International Relations in Southeast Asia,” and gave lectures at various universities, such as ANU, Munich, Peking, Waseda, and Yonsei.  He is regularly invited to speak, including at Columbia University, Nikkei Forum, Beijing Forum, Jeju Forum, the Korea National Diplomatic Academy (KNDA), and ISEAS-Yusof Ishak Institute.

His work experiences include Vice Rector for International Affairs (2018-2021) and Director at the Institute of East Studies (2013-2018) at the" university. Kitti was director for the ASEAN Watch Project, funded by the then Thailand Research Fund (2011-2020). He served as an advisory committee, representing Thailand, to the Asia Center under the Japan Foundation (2015-2021).

His CPD research project is titled "Thai Public Diplomacy: Approaches, Challenges, and Potentials."