Public Strategy for Sustainable Development (PS4SD) is a think-tank and advisory network registered in 2000, based in Brussels and The Hague, with associates in Berlin, London and Oslo. PS4SD combines the expertise and experience with governance, impact assessment and stakeholder engagement of its founders Louis Meuleman and Ingeborg Niestroy and their associates.

In our work we develop new solutions for the stumbling blocks that governments, civil society, science and business are facing in their attempts to move towards sustainable societies. We focus on governance (how to organise change, with metagovernance as a modern approach); impact assessment (how to assess success or failure, how to combine environmental and sustainability assessments); stakeholder engagement (how to influence governmental decisions and how to get governments to participate in stakeholders’ sustainable innovation arrangements). 

Louis Meuleman

Founder/Director  Bio  Contact   

Sustainability (meta)governance, SDGs, public management, participation; member UNCEPA & EEA Scientific. Comm., visiting prof. public governance, Leuven

Jill Jäger

Associate  Bio  Contact 

Senior specialist on integrated sustainability assessment, vulnerability to climate change, and sustainability science

André Cavalcante da Silva Batalhão

Junior Associate  Bio  Contact 

Sustainability indicators and assessment, environmental and sustainability policy and management

Roel in 't Veld

Associate  Bio  Contact 

Public governance, sustainable development, education governance, knowledge democracy, science-policy relations

Ingeborg Niestroy

Founder/Director   Bio  Contact 

Sustainability governance, SDGs, geography of sustainability, science-policy interface, transdisciplinarity, impact assessment, stakeholder involvement

Francesca Valentini

Junior Researcher  Bio  Contact 

SDGs, environmental law & psychology, water management, human rights, vulnerability & forced displacement

Federico Olivieri

Junior Associate  Bio  Contact 

Green economy indicators, indicators for sustainable development

Jan-Gustav Strandenaes

Associate  Bio  Contact 

Governance of the Sustainable Development Goals, United Nations governance, stakeholder participation, articulation and representation

Andreas Versmann

Associate  Bio Contact  

Environmental law, circular economy, participatory methods, training, design and moderation of workshops, peer to peer learning and exchange

Isaac Caiger-Smith

Intern  Bio  Contact  

European environmental policy, research, and sustainability

Sara Maia

Junior Associate  Bio  Contact 

Environmental management and economics, nature-based solutions and sociocultural impact assessment

Gaetane Charlier

Junior Researcher  Bio   Contact 

Sustainability governance, environmental law, climate and social justice movement, participatory methods

László Pintér

Associate  Bio   Contact 

Professor and Head of Dept. of Env. Sciences and Policy, Central European University, Vienna;  Senior Fellow and former program Director, IISD, Winnipeg, Canada





Sally Nicholson

Associate  Bio  Contact  

Environmental integration in international development, 2030 Agenda, policy coherence for development, civil society actors