Cambodian Center for Regional Studies, in supported by the Embassy of Japan in Cambodia will organize a public lecture on “Envolving UNCLOS Towards Maritime Cooperation” by Distinguished Speaker, Hon. Judge Hidehisa Horinouchi, Member of the International Tribunal for the Law of the Sea (ITLOS). The event will be held on 18 March 2025, from 9:00 to 11:00am at Raffles Hotel Le Royal Phnom Penh.
This lecture will explore the benefits of UNCLOS and ITLOS for states, like Cambodia, and how it can facilitate Cambodia’s maritime interests based on cases of delimitation and dispute settlement between the party states. This seminar is organized to dive deep into the crucial role and evolving character of UNCLOS as well as ITLOS, in promoting the rule of law at sea. It also introduces how national legislation and measures should be developed to fully implement the UNCLOS.
NOTE: This public lecture is by invitation only.
Program | |
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9:00 – 9:30 AM | Registration |
9:30 – 9:40 AM | Welcoming Remarks by Mr. Him Raksmey, Executive Director, CCRS Welcoming Remarks by H.E. UENO Atsushi, Ambassador of Japan to the Kingdom of Cambodia |
9:40: – 10:00 AM | Public Lecture on Evolving UNCLOS Towards Maritime Cooperation by Distinguished Speaker, Judge HORINOUCHI Hidehisa, Member of the International Tribunal for the Law of the Sea (ITLOS) |
10:00 – 10:55 AM | Q&A Session Moderated by Amb. Pou Sothirak, Distinguished Senior Advisor to CCRS |
10:55 – 11:00 AM | Closing Remarks by Amb. Pou Sothirak, Distinguished Senior Advisor, CCRS |
11:00 – 11:30 AM | End of the Public Lecture |

Hon. Judge Hidehisa Horinouchi was elected as a Member of the International Tribunal for the Law of Sea (ITLOS) in October 2023. Prior to his current position, Judge Horinouchi has been in different positions, including the Ambassador of Japan to the Netherlands (2019 – 2023) and to the Kingdom of Cambodia (2016 – 2019). Over more than four decades of a diplomatic career, he has been charged with legal affairs and treaties portfolios several times, in addition to Asian affairs and international intelligence analysis. Judge Horinouchi is a graduate of Tokyo University and attended Nanjing University in China and Harvard Graduate School. He has been a lecturer on international law at Waseda University’s Graduate School of Law.

Ambassador Pou Sothirak is a retired academic currently serving as the Distinguished Senior Advisor to the Cambodian Center for Regional Studies (CCRS). He was the Executive Director of the Cambodian Institute for Cooperation and Peace from May 2013 to August 2023. He was appointed as Secretary of State of the Ministry of Foreign Affairs and International Cooperation of Cambodia from September 2013 to January 2014. He was a Visiting Senior Research Fellow at the Institute of the Southeast Asian Studies (ISEAS) in Singapore from January 2009 to December 2012. He also served as Cambodian Ambassador to Japan from April 2005 to November 2008. He was elected Cambodian Member of Parliaments twice during the national general election in 1993 and 2003. He was appointed as Minister of Industry Mines and Energy of the Royal Government of Cambodia from 1993 to 1998. He has written extensively on various issues concerning the development of Cambodia and the region.