
Dorota Lost-Siemińska
Dr Dorota Lost-Siemińska serves as Director of the Legal Affairs and External Relations Division at the International Maritime Organization. She leads the Division’s work on complex and topical issues in international maritime and treaty law and oversees the development of practical legal tools that strengthen the Organization’s legal and external-relations capabilities.
Her responsibilities include managing IMO’s depositary functions, acting as Secretary to the Legal Committee, and providing first-line support to the Secretary-General in his roles as Secretary of the Council and the Assembly. She directs accreditation, events, and protocol activities; provides guidance to Governments and inter- and non-governmental organizations; and heads the Outreach and Communication Services and the Maritime Knowledge Centre to ensure internal and external stakeholders are well informed about IMO’s work.
Prior to joining IMO, Dr Lost-Siemińska led the Polish delegation to the IMO Legal Committee and represented Poland at a wide range of IMO meetings. She served as Vice President of the Hazardous and Noxious Substances Diplomatic Conference and participated in numerous United Nations and European Union sessions.
Dr Lost-Siemińska earned a Master of Laws and a PhD in international maritime law from the University of Gdańsk and holds an additional Master of Laws from the IMO International Maritime Law Institute in Malta. She is called to the bar and is a member of the Pomeranian Bar Association.