Steffen Wittenauer is considered one of the most renowned experts in the field of the solution IBM Planning Analytics (TM1) worldwide. As an Executive Consultant and Executive Solution Specialist at IBM, he designs global planning and reporting solutions for corporations and medium-sized customers, which are used in a variety of departments, sometimes with thousands of users. In addition to classic planning, the topic of sustainability planning is currently his focus. Here, not only the consideration of the past is relevant, but above all, the planning, simulation, and optimisation of the company’s future, including linked financial aspects towards a holistic corporate strategy, is of great importance.