John Earley served as CTO for Millicom Tigo in DRC and for Celtel / Zain in Nigeria, in the latter where an initiative to divest passive infrastructure was being explored prior to the sale of the business to Airtel. John then joined microwave transmission market leaders Ceragon Networks as President of the Africa region, growing the business from $15m to $85m revenue between 2010 and 2012. John continues his interest in infrastructure sharing, and maintains close relationships with several of Africa’s towercos. In this interview, John puts forward a case for the towercos to offer transmission sharing alongside passive infrastructure sharing services.