In this presentation you will learn about one of the hardest parts of IT transformations: a successful application modernisation approach. After only 50 years of IT experience we are in the rather slow learning curve of how to modernise our IT. The "just start over" approach has proven to be a nightmare in many cases. We arrived in an ongoing struggle between modernisation and legacy, mainframe versus cloud, stability versus agility. Learn where to start and how to create a step-by-step approach towards successful application modernisation. Spoiler alert: do not write off your legacy applications too soon...