Daniel Vaughan is an experienced technology leader currently serving as Director of Software Engineering at Mastercard, where responsibilities include driving cloud transformation initiatives for real-time payments and enabling product architecture for cloud-native environments. Prior to this role, Daniel managed product architecture for Mastercard's Instant Payment Service and has held various leadership and technical positions at organizations such as Primary Venture Partners, O'Reilly Media, HCL Technologies, and the European Bioinformatics Institute. Daniel is also an author and a member of the Green Software Foundation, contributing to the development of cloud-native applications and sustainable software practices. With a background in computer science from the University of Kent, Daniel has accumulated extensive expertise in software engineering, cloud solutions, and product architecture throughout a diverse career.