Stephen Weiss is a negotiation professor with over 40 years of experience. He specializes in personalized feedback and advice for negotiation and communication in international arenas. He offers guidance and support for effective interaction among diverse individuals, groups and organizations. His academic career has been devoted to international business negotiation as a field of knowledge and practice. Steve holds a full-time, tenured faculty appointment at the Schulich School of Business - York University in Toronto, Canada. He also taught for several years at HEC Paris in France and at NYU Stern School of Business in the USA. An award-winning teacher, he has given classes or research seminars at over 50 universities in 15 countries. As a consultant and coach, Dr. Weiss has delivered a variety of open-enrollment and customized programs. His 30 clients to date include companies such as AT&T, American Express Canada, Celestica, Citi (India), and Dassault Aviation and government organizations such as the European Patent Office, Beijing (China) municipal officials, the Ontario Public Service (Canada) and the Southern African Development Community. With Steve we talk about how he became interested in negotiation before it got established as a serious academic discipline, how much this field has changed over the last decades and what were the main drivers of those changes? We also discuss the role of culture in international negotiation and whether our interest in culture has decreased recently. Steve also recalls the real-life international negotiations that he has converted into mega simulations and shares the main lessons we can learn from them. We also phantasize together how the field of international negotiation will be evolving in the future, and what trends will shape the way that people negotiate in the years to come. Finally, Steve shares his advice to the governments around concerning climate negotiation and to aspiring negotiators.