Introduction: From a critical institutionalist perspective and with a methodological interest in transdisciplinary action research, Pieter Van den Broeck engages in research on planning instruments, social innovation and territorial development, governance of socio-ecological systems, and land policies and commons. Projects cover themes such as land access and the rebuilding of the commons, post-disaster recovery, sustainable rural development, participation and planning, long-term change and urban regeneration. Disciplines: Architectural Engineering, Geography, Sociological, Qualitative Theory, Social Research, Urban/Rural Sociology. Skills and expertise: Planning, Spatial Planning, Urban Planning, Land Use Planning, Regional Planning, Urban Development, Urbanism, Sustainable Development, Spatial Analysis, Spatial Development, Urban and Regional Planning, Urban Studies, Environmental Planning, Social-Ecological Systems, Urban Geography, Geography, Sustainability, City Planning, Regional Development, Social Innovation, Land Governance, Commons.