Expert contributors are invited to join the tutors on the delivery of the workshops. They are selected on the basis of their specialist knowledge or experience.
The following is a small selection of the PCSB contributors over recent programmes (please note contributors may change for future programmes):
| Dr Julian Allwood | Senior Lecturer, Institute of Manufacturing, University of Cambridge |
| Mike Barry | Head of Sustainable Business, Marks & Spencer plc |
| Professor Simon Blackburn | Professor of Philosophy, University of Cambridge |
| Dr Mick Blowfield | Associate Professor at the University of Middlesex Business School; Teaching Fellow at London Business School |
| Richard Burrett | Senior Associate, CPSL; Partner, Earth Capital Partners LLP |
| Neil Carson | Chief Executive, Johnson Matthey |
| Colin Challen | MP, Chair of the All Party Parliamentary Group on Climate Change |
| Mike Clasper | Chairman of HMRC; Non Executive Director of ITV plc; Former CEO of BAA |
| Christine Dalby | Sustainable Development Strategy, European Commission |
| Will Day | Senior Associate, CPSL |
| Dr Justine Frain | Vice President, Global Community Partnerships, GlaxoSmithKline |
| Emma Howard Boyd | Head of SRI, Jupiter Asset Management |
| Dr Nick Hughes | Partner, Signal Point Partners |
| Dr Rod Jones | Professor of Atmospheric Science at the Department of Chemistry, University of Cambridge |
| Tony Juniper | Former Executive Director, Friends of the Earth |
| Dr Alan Knight, OBE | Founder of Single Planet Living; Senior Advisor, Virgin |
| Professor Melissa Lane | Professor of Politics, Princeton University |
| John Langdell | Vice President, Group Managing Director, SCJ EURAFNE Ltd |
| Gareth Llewellyn | Managing Director, Sustainable Business Strategies |
| Kevin Marsh | Editor in Chief BBC College of Journalism, BBC |
| Kevin McCullough | Chief Operating Officer, RWE Innogy |
| Jonathon Porritt | Director, Forum for the Future |
| Gordon Shields | Chairman & Founder, Shields Environmental plc; Member of the Leadership Board of Business in the Environment |
| Dr Vandana Shiva | Director, Research Foundation for Science, Technology and Ecology |
| Francis Sullivan | Deputy Head of Group Sustainable Development and Adviser on the Environment, HSBC Holdings plc |
| Dr Peter White | Director of Global Sustainability, Procter & Gamble |