J. Alexander-Brien is the Founder of Maritime Frontiers, a forward-looking consultancy providing strategic, technical, and legal advice on maritime affairs. The consultancy supports governments, international organisations, non-governmental organisations, and private clients in navigating the evolving global oceans order amid significant social, environmental, and technological change. His areas of expertise include ocean governance, maritime boundary disputes, maritime delimitation, continental shelf claims, and international law of the sea.
Alexander-Brien has worked extensively with the Government of Bangladesh, advising on maritime boundary disputes and delimitation and contributing to the preparation of Bangladesh’s submission to the United Nations concerning its extended continental shelf. With more than 20 years of experience in maritime affairs, he has spoken at and participated in expert panels on ocean governance across the world, including in Kenya, Tunisia, Oman, India, Mauritius, and Malta. He has also been a speaker at previous editions of the Bay of Bengal Conversation, including the 2025 conference, where he contributed his expertise on maritime governance and the changing international oceans framework.
