Roger Sutcliffe is President of DialogueWorks.  He is one of the country’s leading educationalists. He has been President of SAPERE, the UK charity for promoting P4C, and former President of ICPIC, the International Council for Philosophical Inquiry with Children. Having graduated in Philosophy and Modern Languages at Oxford in the early 70’s, he taught first at primary level and then at secondary level until 1990, when he trained in P4C under Professor Lipman. He also trained in Rogerian counselling in the UK, before embarking on a freelance career, introducing P4C and Communities of Enquiry to teachers and others throughout the UK and, occasionally, abroad.

Roger is the co-author of The Philosophy Club, and of Newswise, a current affairs resource, and has written for many journals and for He has also done consultancy work for a variety of organisations, including Antidote: Campaign for Emotional Literacy, The Helen Hamlyn / Open Futures Trust (for whom he wrote a handbook on Enquiry Based Learning), The Geographical Association, and the Cambridge International Exam board (for whom he designed an International GCSE, titled ‘Global Perspectives’). He is an outstanding facilitator of dialogue, with both large audiences and small groups.


Nick Chandley is a Director of DialogueWorks.   Nick is a qualified teacher and has led numerous P4C courses, from Level 1 to Level 2B and from Early Years to FE colleges.  Well-known for ‘squeezing the juice’, he has edited the SAPERE Level 1 handbook, has written the SAPERE monthly bulletin resources for many years and co-edited, with Lizzy Lewis, P4C through the Secondary Curriculum (Continuum, 2012).

A firm advocate of a whole-school approach, Nick has trained two current SAPERE Gold Award schools and has presented at conferences on topics as diverse as raising standards in English through P4C and P4C with parents.  His training reflects his vast experience of supporting teachers in the classroom and he prides himself in answering delegates’ questions with examples from experience and usually before they’ve had a need to ask them.

Nick’s creativity has led to a great variety of work related to P4C.  He helped develop and write the hugely successful What’s the Big Idea? TV series, now sold to over 100 countries worldwide, and was education consultant to the major documentary series The World According to Kids (BBC2) and most recently to Feeling Better (CBeebies), a show that helps young children manage their emotions.

Oh, and he is particularly fond of llamas!


Dalia Toonsi is an associate of DialogueWorks.  She is based in Jeddah, Kingdom of Saudi Arabia where she works as Director of Educational Programs for the Baseerat Al-afkar Corporation.  She has a Bachelor degree in Biology from King Abdulaziz University, Jeddah and a Masters degree in Education from Cardiff University, UK.  She has authored several books for children and was nominated for the Sheikh Zayed children’s book award 2017-18.  She has written a number of papers on education, thinking skills and Philosophy for Children, and gives regular seminars and training courses on these topics.


Cindy Zheng is an associate of DialogueWorks.  She is head teacher of Jintaiyang Fortune Kindergarten in Shanghai.  She was a registered SAPERE trainer from 2016 to 2018 and is now a DialogueWorks accredited P4C trainer.   She is co-director of P4C China and regularly gives P4C training courses in Mandarin in government and international schools in China.

Cindy Zheng


Bob House is a Director of DialogueWorks.  He studied Economics and has an MBA from INSEAD, France.  He worked as a strategy consultant before moving into the education sector in 2011.  He was CEO of SAPERE from 2012 – 16, leading a turn-round of the charity’s services.  He set up and supervised the Education Endowment Foundation’s trial of the effectiveness of P4C.  He established a number of international partnerships for SAPERE.

Bob is currently advising P4C China, an educational group based in Shanghai on the establishment of P4C in Greater China.  This initiative has been running for two years and has so far trained over 300 teachers.  He has been working with Roger Sutcliffe to develop an adaptation of P4C aimed at International Baccalaureate and other Inquiry Based Learning schools.


Stephen Walshe is an associate of DialogueWorks.  He holds an MA in Educational Leadership and Management and is currently pursuing an MA in Philosophy. He was a registered SAPERE trainer from 2016 to 2018 and is now a DialogueWorks accredited P4C trainer. He is a member of the International Community of Philosophical Inquiry (ICPIC) and co-director of P4C China.  He has more than thirty years experience as a teacher, curriculum developer, assistant principal and school principal in a number of international settings.

Since 2013, he has been introducing P4C to International Primary, Middle and High schools, leading P4C across the Fortune Kindergarten group, and assisting schools with their P4C School program, from P4C Experimental school to Model school . He also provides support and training to a P4C Leadership Group consisting of P4C School Leaders to promote the implementation of P4C across schools. He has produced a P4C booklet; Philosophy for Children, to introduce P4C to parents, teachers and school visitors to the Fortune Kindergarten group.