Atle Solberg, Head of the Coordination Unit


Atle is a political scientist from Norway and he was the Head of the Nansen Initiative Secretariat, the predecessor of the Platform on Disaster Displacement, from 2012 to 2015. His background is primarily from international humanitarian action and from working in the context of displacement (both in conflict and natural hazard situations). He has worked for the UNHCR and UN OCHA in Switzerland, the Balkans and in Central America, and for the Norwegian Refugee Council (NRC) in the Balkans, Indonesia and Colombia. He has research and teaching experience from the University of Bergen on humanitarian issues as well as on the protection of unaccompanied minors. Atle has also undertaken evaluation of humanitarian aid and worked as a consultant both with a focus on Norway as well as on the post-conflict recovery situation in the Balkans and Central America.

Atle is the Head of the Coordination Unit of the Platform on Disaster Displacement.

Sarah Koeltzow, Policy Officer


Sarah has a Bachelor Degree in Public Management and Governance from Zeppelin University, Germany, and a Master Degree in Development Studies from the Graduate Institute, Geneva. Prior to joining PDD, she has worked as Humanitarian Affairs Officer at the German Mission to the UN in Geneva, also covering DRR, Internet Governance, Climate Change/Environment and Human Rights portfolios. Sarah speaks German, English, French and Spanish. She is passionate about local public administration and thrives on good food, good reads and good friends. Each year, as winter approaches, she considers the possibility of ‘climate-induced migration’ to warmer places.

Sarah is the Policy Officer of the Coordination Unit of the Platform on Disaster Displacement.

Juan Carlos Méndez, PDD Regional Adviser in Costa Rica


Juan Carlos holds a BA in International Relations, a postgraduate degree in Project Management and a MA in Human Rights from the National University of Costa Rica, where he has taught courses on Human Rights and International Humanitarian Law, among others. Before joining the Platform on Disaster Displacement, Juan Carlos worked for the Government of Costa Rica for several years. He has also been a Consultant for organizations such as the Inter American Institute of Human Rights.

Since 2014 Juan Carlos has been seconded by the Norwegian Refugee Council (NRC) to the Government of Costa Rica in the National Agency for Disaster Risk Reduction and Emergency Response (CNE) as a Regional Adviser to both, the former Nansen Initiative and the Platform on Disaster Displacement.

Manasa Katonivualiku, PDD Regional Adviser in Fiji

Manasa has a Bachelor of Science Degree in Biology and Chemistry and a post-graduate Diploma in Climate Change from the University of the South Pacific, Fiji. Currently, Manasa is completing his Master of Science in Climate Change at the University of the South Pacific. Prior to joining PDD, he worked for the United Nations Economic and Social Commission for Asia and the Pacific (UNESCAP) as an Associate Programme Management Officer and was based in the Pacific Sub-regional Office in Suva, Fiji, and he covered Climate Change and Human Security portfolios. Manasa also worked for the German Cooperation Agency (GIZ) and for a number of years, he worked with the Fiji Government’s Climate Change Division. One of his areas of interest is the planned relocation of communities and individuals in the context of climate change and disasters.

Manasa has been seconded by the Norwegian Refugee Council (NRC) to the UNESCAP Pacific Sub-regional Office in Suva, Fiji, to support the Government of Fiji and other Pacific island countries on their work on human mobility in the context of climate change and disasters and also to support UNESCAP’s work in the region, especially on migration.

Daria Mokhnacheva, PDD Programme Officer in IOM


Daria (Dasha) did her undergraduate studies in Oriental Studies and Social and Political Studies at the University of Cambridge, and her Masters studies focusing on environment, sustainable development and risks at Sciences Po Paris and Columbia University. She joined the International Organization for Migration in 2012 to work as thematic specialist on migration, environment and climate change, focusing in particular on the development of the “Atlas of Environmental Migration”, which she co-authored. Prior to that, she worked at UNDP in Russia on climate change and biodiversity projects. Her past experience also included nature conservation in Argentina, banking in Japan and Russia, and support to the DEVAST-Fukushima research project at the Institute for Sustainable Development and International Relations (IDDRI) in Paris. She speaks Russian, French, English, Spanish and learned German and Japanese. She loves being close to nature and discovering new countries, new food, new books and new cultures – she is convinced that migration is key to personal and societal enrichment.

She is the PDD Programme Officer at the International Organization for Migration, in which capacity she supports the mainstreaming of PDD priorities into IOM activities and the development of related IOM programmes and projects worldwide.

Isabelle Michal, PDD Programme Officer in UNHCR

Isabelle holds a diploma in International Relations (Policies and Strategies of International Public Action) from the Université Lyon 3 and specialised in management of IOs/NGOs. After several years of experience as a Project Manager for private consulting companies specializing in institutional strengthening, Isabelle joined UNHCR in 2007 as an Associate Community Services Officer in Eastern Chad, and has since then served in various positions in Africa and at UNHCR’s Headquarters. After three years in Mali in quality of external relations officer for UNHCR, Isabelle returned to UNHCR’s HQ in January 2018 to take the functions of policy officer on climate change and disaster displacement. Isabelle speaks French, English and German, and has learned Spanish, Portuguese and Bambara.

She is the PDD Programme Officer on Climate Change and Disaster Displacement at United Nations High Commissioner for Refugees (UNHCR).

Erick Mutshayani, Intern

Erick Mutshayani graduated with a BA Honours in English and Communication from Midlands State University, Zimbabwe and an MA in International Development from the University of Sheffield, UK. Prior to joining the Platform, Erick worked with several NGOs in communication, research and administrative capacities in South Africa, Tanzania and the United Kingdom. He recently completed an internship with UNOCHA in Geneva, supporting the Inter-Cluster Coordination Section which convenes the Global Cluster Coordinators Group and works on various task streams such as the Localization Agenda and Cash Coordination. Erick Mutshayani speaks English and a variety of local languages from Southern Africa, enjoys being in multi-cultural and multi-lingual settings, travelling and has a strong interest in humanitarian affairs.

As a PDD Intern, Erick supports the Coordination Unit team with research, communication, representation and event management.

Contact us:

International Environment House 2
7-9 Chemin de Balexert 1219 Châtelaine,
Geneva Switzerland
Tel: +41 22 917 8488