Prior to joining Serianu, Mr Mathenge served as the Chief Information Security officer of Airtel Africa and was in charge of security operations in the 17 African countries of Airtel operation. In this role, Joseph lead all operational and strategic aspects of Information security for the group and provided advice to the Executive management on systems security and cyber threats to the organization.
Mr Mathenge has various industry recognized professional certifications including Certified Information Systems Security Professional (CISSP), Certified Information Security Manager (CISM), Sans Certified Firewall expect and Incident handler (GCFW, GCIH).
He also has a Masters Degree in Criminal Justice with a concentration in High Tech Crime investigations from the University of George Washington in Washington DC. Mr. Mathange is currently part of the National Kenya Computer Incident Response team.