ISLAMABAD: October 21 Group Chief Operating Officer Jazz, Sergi Herrero and Aamir Ibrahim, CEO Jazz called on President Dr. Arif Alvi at Aiwan-e-Sadr. APP APP56-21 ISLAMABAD: October 21 Group Chief Operating Officer Jazz, Sergi Herrero and Aamir Ibrahim, CEO Jazz called on President Dr. Arif Alvi at Aiwan-e-Sadr. APP APP56-21