Sander Hoogendoorn, owner of ditisagile.nl, is best known as the author of the best-selling books This Is Agile and Pragmatisch modelleren met UML (the company is named after the Dutch title of his most recent book). Sander coaches organizations, projects and teams, and has published over 250 articles in international magazines. He is an inspiring (keynote) speaker at many international conferences, and present seminars and (in-house) training courses on a variety of topics such as (beyond) agile, Scrum, Kanban, software estimation, software architecture, microservices, design patterns, modeling and UML, writing code, .NET, Java and testing. In this role and in his previous roles as global agile thought leader and principal technology officer at Capgemini, and as a partner at Ordina, Sander operates as a highly appreciated catalyst in the innovation of software development at his many international clients.