Arnold Chatelain is Transformation Program Director at Signify, where he leads the digitalization of the procurement organization and drives transformation across processes, technology and supplier collaboration. With more than 20 years of experience in transformation, program management and operational excellence, Arnold has held senior roles at Signify, Nokia and Siemens. He is also a Master Trainer in Advanced Negotiation, combining game theory, bargaining theory, behavioral economics and psychology to help teams strengthen decision-making and negotiation outcomes. His work focuses on using digitalization, innovation and supplier engagement to create more efficient, resilient and sustainable procurement organizations.