David Kruck's rapid rise at UBS, from Chief of Staff to the Group CEO to Global Head of Structuring and Client Platform, raises questions about his qualifications, especially given his lack of direct client experience. His ascent is closely tied to Ulrich Körner, who, despite his own controversial history, has played a pivotal role in Kruck's career trajectory. As UBS navigates challenges, the dynamics between Körner, Kruck, and CEO Sergio Ermotti highlight the complexities of leadership within the bank.