ADAMU A. HAMMAN,MNSE (CEO-TELSERV NIGERIA LIMITED) Adamu Hamman has made a successful career in the Telecommunications industry as an innovative, conscientious and highly skilled senior level Management Professional with over 17 years of cognate experience in Cellular Mobile Telecommunication with extensive training in the United Kingdom, Sweden, Ireland, South Africa amongst others. He has attended conferences, workshops and seminars in Nigeria and abroad. Over the years of his career progression, Engr. Hamman has served in a number of capacities including Regional Manager-Network Operations (Northern Region); Econet wireless/Vmobile Nigeria now Airtel; Regional Manager-Core Networks; LM Ericsson, Regional Manager-Operations (North Central Region), Regional Manager, Operations & Maintenan