The project is being implemented by the Institute for Advanced Sustainability Studies (IASS) in partnership with the Institute for Sustainable Development and International Relations (IDDRI), and TMG – Think Tank for Sustainability. We invite you to find out a little more about our team members.

Klaudija Cremers

Klaudija Cremers joined IDDRI in 2019 as Research Fellow International Marine Policy. She studied Liberal Arts and Sciences with a specialisation in Global Justice at Leiden University College The Hague and has a LL.M. in Public International Law from Leiden University. Her Master’s thesis investigated the gaps in the international legal framework of managing fish stocks in the high seas. Previously, Klaudija worked for ClientEarth in Brussels as EU Fisheries Lawyer with a focus on the implementation of the EU’s Common Fisheries Policy. She has also completed traineeships at the European Parliament and at the Embassy of the Netherlands in New Zealand.



Alexander Müller

Alexander Müller was leading from 2014 to 2018 a global study on “The Economics of Ecosystems and Biodiversity for Agriculture and Food” (TEEBAgriFood) hosted by UN Environment. From 2006 to 2013 he served as Assistant-Director General of the Food and Agriculture Organization of the United Nations (FAO), where he was responsible for the Voluntary Guidelines for Responsible Governance of Tenure (VGGT). In June 2009 the UN Secretary-General nominated Alexander as a member of the Advisory Group on Energy and Climate Change (AGECC) to advise on the energy-related dimensions of climate change negotiations. From 2007 to 2011 he was chairing the UN Standing Committee on Nutrition. From 2001 to 2005 he served as State Secretary in the German Ministry for Consumer Protection, Food and Agriculture. In 2017 he, along with Klaus Töpfer and Harmut Gaßner founded “TMG – Töpfer, Müller, Gaßner GmbH, ThinkTank for Sustainability” and TMG Research gGmbH, where he works as managing director.


Barbara Neumann

Barbara Neumann is a senior research associate with Ocean Governance Research Group at the Institute for Advanced Sustainability Studies in Potsdam, Germany. She is specialized in human-environment interactions, sustainable development and governance of coastal and marine areas with a specific focus on the implementation of the 2030 Agenda. She studied geography at Saarland University, Germany, and Simon Fraser University, Canada, and holds a doctorate in Geography from Saarland University. She was a research associate in applied environmental research with at Saarland University from 2002 to 2010. From 2010 until 2017, she was a research associate with the Coastal Risks and Sea-Level Rise research group at the Department of Geography at Kiel University and member of the Cluster of Excellence “The Future Ocean” in Kiel, Germany.



Julien Rochette

Julien Rochette is the Director of the IDDRI Ocean programme, aimed at strengthening cooperation for the sustainable and equitable management of marine resources. He holds a doctorate in public law (University of Nantes) and public international law (University of Milan), and is specialized in legal and policy aspects related to ocean governance. His work has led him to invest mainly in regional organizations, particularly in the Mediterranean, the Western Indian Ocean, West Africa and the Pacific. Julien is a member of several French and international expert groups and a lecturer in various French universities.




Sebastian Unger

Sebastian Unger leads work on Ocean Governance at the IASS. His research focuses on global governance processes for ocean sustainability, including the development of a new international agreement for marine biodiversity in areas beyond national jurisdiction, the UN Sustainable Development Goals (SDGs), and the governance of deep seabed mining. He was appointed Deputy Secretary to the OSPAR Commission, the international convention for the Protection of the North East Atlantic in 2007. In that role he was instrumental in developing the world’s first network of marine protected areas on the ‘high seas’ and participated in negotiations on new international legislation in the fields of marine biodiversity, impacts of human activities, and the offshore oil and gas industry. He also served at the German Federal Foreign Office, where he coordinated international maritime affairs. He has a background in biology and political science and 15 years of experience in international ocean policy.


Laura Weiand

Laura Weiand has a background in marine ecology and sociology, specialising on the science-policy-society interface. She joined the IASS ClimPol project in 2016, focusing on policy implementation processes related to mitigating climate change and air pollution. In 2019, Laura joined the Ocean Governance team at the IASS as part of the Partnership for Regional Ocean Governance project. Prior to joining the IASS, Laura led a socio-ecological research and development project in West Papua, which focused on capacity building, marine monitoring, and the sustainable management of marine protected areas. Her thesis, conducted with the ZMT-Leibniz Centre for Topical Marine Ecology in Bremen, investigated top-down and bottom-up anthropogenic divers that regulate coastal marine ecosystems, in Makassar, Indonesia.


Glen Wright

Glen Wright works on various aspects of marine policy and ocean governance, specialising in the high seas/areas beyond national jurisdiction, regional ocean policy, and marine spatial planning. He studied law at the Universities of Nottingham (UK) and Texas (US), and has a master’s in environmental law from the University of New South Wales (Australia). He is currently pursuing his PhD part-time with the Australian National University, studying the legal and policy implications of large-scale ocean energy developments. Prior to joining IDDRI, Glen worked at REN21 on renewable energy policy. He has previously worked on electricity regulation at the Total Environment Centre, one of Australia’s leading environmental NGOs, and as a paralegal in the energy team at Freehills, Australia’s biggest law firm.




Thando Tilmann

Thando Tilmann has a background in land use planning and business management studies. She joined the IASS in 2010 initially working with the founding director Klaus Töpfer and later on in the newly initiated Global Soil Forum team. During her time in the Global Soil Forum she worked on the design and implementation of four Global Soil Weeks, for which she also co-facilitated sessions. The Global Soil Week focuses on collective processes and is a knowledge platform for sustainable soil management and responsible land governance worldwide. She also worked in the SDG project “Jumpstarting the SDG’s in Germany”, where she shared the joint responsibility with the Project Lead for the successful implementation of the global conference in May 2016. In January 2018 she started working in the PROG project assisting the team in the implementation of the first Marine Regions Forum.


Nicole Wienrich

Nicole Wienrich has a background in environmental governance, social sciences and communication. She joined the Ocean Governance team at IASS in 2017, focusing her research on high seas governance. Previously, Nicole worked for the German Development Cooperation (GIZ GmbH) in Costa Rica, promoting private sector engagement in the sustainable use and protection of biodiversity in Central America and the Dominican Republic. Among others, Nicole was involved in projects aiming to restore and protect marine and coastal biodiversity in the Caribbean Sea by engaging the tourism industry and in defining measures for improving the sustainability of agricultural practices. She also worked for a German NGO on conflict transformation in the Philippines and organized international youth exchanges and trainings in Germany. Nicole is currently working in the IASS project ‘Marine Conservation in the Arctic’.