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The Progressive Policy Think Tank


Stephen is Co-Deputy Head of the Environmental Justice Commission.

With Becca Massey-Chase, he leads the Commission’s deliberative democracy programme and research on a just transition for travel.

Stephen is also the Director and founder of a social enterprise in Bristol that is creating a new community space that uses stories to bring people together.

Before joining IPPR, Stephen was the Head of the Research & Monitoring Unit at Sustrans and lead for the development of the organisation’s strategy for achieving ‘liveable cities and towns for everyone’. He has experience of a wide range of evaluation, appraisal and research methods relevant to making the case for active travel and improvements to the public realm. 

Prior to joining Sustrans, Stephen worked as the voluntary sector and community development lead for the London Borough of Hounslow and for a range of social enterprises and charities focused on social action and participation in decision making. 

He has experience across a wide range of public policy areas, including:

  • Participatory decision making
  • Community development
  • Voluntary, community and social enterprise sector
  • Research and evaluation best practice
  • Active travel and designing places for reduced car use

Stephen's normal working days are are Monday-Wednesday. Becca Massey-Chase's normal working days are Wednesday and Friday.

Recent work