We're an innovation startup based in the wonderfully creative city of Bristol in the UK. We've got heaps of experience running applied behavioural science, innovation and academic research with mixed methods. We promise to run responsible projects, and to use technology to get more people involved in research and testing, not less.

Stewart Kettle

Stewart has over a decade of experience managing behavioural science and innovation projects. He was previously Nesta's Director of Behavioural Science and before that was Co-Head of International Programmes at The Behavioural Insights Team. He has a PhD in Economics from the University of Bristol.

Patricia Lucas

Patricia provides expertise for the team across research methods. She uses quantitative, qualitative, and human-centred approaches to gain deep insight and lead impactful research. With a PhD in Psychology and a rich background in health and care research at the University of Bristol, Nesta and as an independent consultant, she has close to 100 publications to her name.

Daniel Gardiner

Dan is a full-stack software developer with experience delivering large scale applications at Six and Nudge Digital. Prior to that he was a Senior Epidemiological Scientist at Public Health England. Dan co-founded Colectiv with Stewart and Patricia as a commitment to using his skills and new technology to maximise social impact.

Pascale Wilson

Pascale is our multi-talented designer who makes everything we do look great! She is an artist with a degree in Fine Art, working across digital design, ceramics and set painting. Her broad creative practice is linked by a use of vibrant colour and pattern, visible in her bespoke design for Colectiv's brand and products.

Paul Calcraft

Paul is a Computer Scientist turned innovator. After completing his PhD in Computer Science, he led the machine learning and technology team at the Behavioural Insights Team for over six years, delivering dozens of tech innovation projects. In our team he bridges the intersection of software engineering, AI chatbot technology, and behavioural science.