Covid-19 put the nail in the coffin of Gary McGann’s chairmanship of Aryzta. Not only did the pandemic’s economic shock fuel the momentum for change driven by long-time disgruntled shareholder Cobas and its new allies, Swiss activist investor firm Veraison and German food tycoon Heiner Kamps – travel restrictions also meant McGann did not travel to Zurich for his last Aryzta general meeting, which was instead chaired by Rolf Watter, another outgoing director. When he joined on a video call from Dublin with the other Irish board members – all of whom have now left the board – McGann’s sombre…