The document analyzes the transformational journey of Deutsche Telekom, highlighting the reactive organizational changes triggered by significant revenue losses and leadership shifts from Kai Ricke to Rene Obermann. Under Obermann, the company adopted a strategic focus, simplifying its structure and implementing new initiatives to improve market competitiveness, while addressing internal cultural resistance. Future recommendations include institutionalizing cultural changes, enhancing communication, emphasizing performance criteria, and maintaining technological advancements to ensure sustainable growth.