Outokumpu Finance was running an extensive transformation program, 15 days Data to Report, to deliver a faster and improved finance reporting process. The program consisted of different projects, of which the Financial Planning and Consolidation project (FPC) was responsible for implementing the new digital tool, OneStream, with related new processes. Finance as a business function is very busy and schedule pressured. To ensure smooth implementation process, people-centric change management and systematic communication were needed.