Speakers

Dr Samuel Stern is a leading expert in artificial intelligence and behavioural modelling, co‑founder and CEO of Affiniti AI, a pioneering UK‑based startup transforming digital mental health through advanced machine learning and NLP technologies. 

With a PhD from UCL and over a decade of research experience, Samuel models how people make decisions under uncertainty and how opinions spread across large social networks. His work focuses on using natural language processing to infer individual viewpoints and simulate the dynamics of opinion propagation, driving both academic insight and practical application. 

At Affiniti AI, Samuel and his team have developed a purpose‑built generative conversational AI platform tailored for mental healthcare. The SaaS tool supports clinics, employers and digital health providers by combining contextualised therapy, interactive dashboards and scalable workflows—helping organisations deliver personalised support at scale.

Samuel is a recognised thought‑leader in AI, listed among top global figures in the field, and a keynote speaker on the intersections of human decision‑making, data science and healthcare innovation.