His Highness the Aga Khan, at the invitation of the President of Ghana, His Excellency Nana Akufo-Addo, today joined world leaders to pay tribute to former Secretary General of the United Nations, Kofi Annan. His Highness was accompanied by his daughter Princess Zahra Aga Khan. Mr Annan was a valued partner of the Aga Khan Development Network. In 2010, he was appointed to the Board of Directors of the Global Centre for Pluralism.