UCL's Dr Dimitrios Tsivrikos is proud to host Stephen Martin and Joseph Marks to discuss their new book Messengers: Who We Listen To, Who We Don't, And Why, which explores why people listen to some 'messengers' and not others - even when they are saying exactly the same thing.

Stephen Martin is CEO of INFLUENCE AT WORK UK and Visiting Professor of Behavioral Science at Columbia University’s Graduate School of Business. Together with Dr Noah Goldstein and Dr Robert Cialdini he is co-author of the international bestseller Yes! 50 Secrets from the Science of Persuasion, which has sold a million copies and has been translated into 26 languages. His work has featured in the national and international press including The New York Times, Sunday Telegraph, Guardian, Time magazine, and the BBC. He is a guest lecturer on the executive education programmes at the London School of Economics and Harvard.

Joseph Marks is a doctoral researcher at University College London, a visiting researcher at the Massachusetts Institute of Technology and an Associate Consultant for INFLUENCE AT WORK (UK). His work has been published in academic journals and featured in The New York Times, Guardian and the Harvard Business Review. He holds an undergraduate degree in Psychology from the University of Birmingham and a Master’s degree in Social Cognition from University College London. His research with INFLUENCE AT WORK has been applied across a variety of business and public policy settings, including financial regulation, healthcare and public transport.

Dr Dimitrios Tsivrikos is a Consumer and Business Psychologist at University College London (UCL). His research, teaching and consultancy work specialize in Business, Consumer/Branding and Occupational Psychology with a specialist interest in the contribution of social identity and group membership to a range of organizational processes, such as leadership, communication, organisational change, advertising, and Mergers and Acquisitions (M&A). Throughout his academic career he has held a number of international research fellowships, and has published widely on psychology and business oriented subjects, and articles in various periodicals and general interest journals. He is a leading commentator on consumer behaviour/psychology and a frequent guest on the BBC, as well as acted as a scientific consultant in various periodicals such as Property Week, Esquire and The Guardian.