Colectiv brings together senior expertise in behavioural science, adaptive learning, technology development, and impact evaluation. Our team’s experience spans 50+ innovation projects across health, education, financial inclusion, water security, and humanitarian response. We help organisations use the right methods at the right time: uncovering behavioural and implementation barriers, designing practical adaptations with partners, and evaluating what improves outcomes.
Co-founder and Managing Director
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.
Co-founder and Technology Director
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 as a commitment to using his skills and new technology to maximise social impact.
Designer
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.
Senior Advisor
Karen has extensive experience designing and managing monitoring and evaluation systems for international development programmes. She previously worked with Sightsavers International, supporting programme monitoring, learning, and evaluation across multiple country programmes.
Senior Advisor
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.
