Translate "(Bob Woodruff) John Podesta, President Obama's transition chief, is playing the role of UN Secretary General." to Czech?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
(Bob Woodruff) John Podesta, hlavní poradce prezidenta Obamy, hraje roli Generálního tajemníka OSN.