14 January 2025 – I recently undertook an official mission to Japan for a series of substantive engagements with government ministries, leading scientific institutions, philanthropic foundations and academic partners. The visit reaffirmed Japan’s long-standing and principled commitment to multilateral cooperation under the United Nations Convention on the Law of the Sea (UNCLOS) and its 1994 Implementing Agreement, as well as its expectation that the International Seabed Authority continues to provide legal certainty, a sound scientific basis and a stable platform for responsible ocean governance.
Reflections from Madam Secretary-General Leticia Carvalho on ISA Engagements in Singapore
I recently visited Singapore for a focused series of engagements with government, industry and knowledge partners. The mission reaffirmed Singapore’s support for multilateralism under UNCLOS, its growing leadership in ocean diplomacy, and its commitment to advancing coherent, science-based governance of the deep seabed.
The Permanent Representative of Trinidad and Tobago presents credentials to the Secretary-General of the International Seabed Authority
Kingston, 17 December 2025 — Her Excellency Ms. Deborah Thomas-Felix presented her credentials to the Secretary-General of the International Seabed Authority (ISA), Ms. Leticia Carvalho, as Permanent Representative of the Republic of Trinidad and Tobago to the International Seabed Authority during a ceremony held on 17 December 2025 at ISA Headquarters in Kingston, Jamaica.
International Seabed Authority concludes Contractors’ Training Programmes end-of-training certificate ceremonies
Kingston, Jamaica, 5 December 2025 — The Secretariat of the International Seabed Authority (ISA) hosted two virtual certificate presentation ceremonies on 4 and 5 December 2025, recognizing 69 trainees from developing States who successfully completed training under the ISA Contractors’ Training Programmes (CTP).
The Permanent Representative of the Republic of the Philippines presents credentials to the Secretary-General of the International Seabed Authority
New York, 9 December 2025 — H. E. Mr. Enrique A. Manalo presented his credentials to the Secretary-General of the International Seabed Authority (ISA), Ms. Leticia Carvalho, as the Permanent Representative of the Republic of the Philippines to the International Seabed Authority during a ceremony held on 9 December 2025 at the ISA Liaison Office in New York.
The Permanent Representative of the Republic of France presents credentials to the Secretary-General of the International Seabed Authority
Kingston, 1 December 2025 — Her Excellency Ms. Marianne Ziss presented her credentials to the Secretary-General of the International Seabed Authority, Ms. Leticia Carvalho, as the Permanent Representative of the Republic of France to the International Seabed Authority during a ceremony held on 1 December 2025 at the ISA headquarters in Kingston, Jamaica.
Madam Secretary-General of the International Seabed Authority Calls for Rules for the Deep Seabed at the UN General Assembly
New York, 9 December 2025 – Madam Secretary-General of the International Seabed Authority, Leticia Carvalho, addressed the United Nations General Assembly this week for the first time since taking office. She reported on ISA´s work and outlined the priorities the Authority is taking forward as the custodian of the common heritage of humankind.
The Permanent Representative of Sri Lanka presents credentials to the Secretary-General of the International Seabed Authority
New York, United States of America – 6 November 2025 – H.E. Justice (Retd) Jayantha Chandrasiri Jayasuriya, P.C., Permanent Representative of the Democratic Socialist Republic of Sri Lanka to the United Nations, presented the original of his credentials to Ms. Leticia Carvalho, Secretary-General of the International Seabed Authority (ISA), as the Permanent Representative of Sri Lanka to the ISA during a ceremony held at the ISA Liaison Office in New York on 6 November 2025.
