r Husodo Angkosubroto Kofi Annan Alan Annex Paola Antonelli Platon Antoniou Leo Apotheker Frank Appel David Appia Jun Arai Marta Arango Nimnicht Louise Arbour Dan Ariely Anita Arjundas David Arkless Peter Armstrong Tim Armstrong Nikesh Arora W. Brian Arthur Ayman Asfari Tewodros Ashenafi Samir Assaf Pete