Dr Calli Tzani is an internationally recognised behavioural science and psychology expert and Co-Director of the Cyberpsychology Research Network. Her work focuses on human behaviour, digital environments, and societal resilience, integrating evidence-based psychology with practical strategies for prevention, wellbeing, and behavioural change. She has extensive experience in designing and implementing evidence-informed programmes across education, justice, and organisational settings, and has delivered consultancy and training for law enforcement, government agencies, and international partners. Her work brings together behavioural science, human development, and applied psychology to address complex real-world challenges. Dr Tzani is a specialist in co-design and participatory approaches, ensuring that interventions and policies are inclusive, contextually relevant, and grounded in empirical evidence. Her projects have engaged a wide range of stakeholders, from practitioners to policymakers, across multiple countries. Her research and commentary have been featured in national and international media, highlighting her role as a thought leader committed to public engagement, applied impact, and knowledge mobilisation within the behavioural and social sciences.