Andriy Yermak’s exit as President Volodymyr Zelenskyy’s all-powerful chief of staff is a tectonic shift for Ukraine that sets the stage for a fierce battle over how the country is governed.
Nicknamed the “green cardinal” for wearing the military-inspired outfits his boss popularized, Yermak — a once little-known lawyer and B-movie producer — rose to wield immense influence as Zelenskyy’s top aide and was seen by many as virtually a co-president.