Helen Obregón Gieseken is a Senior Legal Adviser at the Legal Division of the International Committee of the Red Cross (ICRC) in Geneva. As a thematic Legal Adviser, she focuses, among other issues, on the protection of the environment in armed conflict and she is a co-author of the ICRC’s updated Guidelines on the Protection of the Natural Environment in Armed Conflict. Her other thematic files include the protection of refugees, migrants and internally displaced persons and the separated, missing and dead.

Before joining the ICRC in 2014, Helen worked for the ICRC/British Red Cross project on customary international humanitarian law and for organizations including Oxfam International, TRIAL International as well as the international cooperation agency of the Colombian government. She holds an LL-M. in international humanitarian law and human rights from the Geneva Academy of International Humanitarian Law and Human Rights, Switzerland, and a Bachelor of Science in Foreign Service from Georgetown University, United States.