Dr. Harold Okai-Tettey is an avid researcher and practitioner of Computer Science. He holds a PhD degree in Computer Science from Rhodes University, South Africa, where he also obtained BSc and BSc (Hons) degrees in Computer Science and Electronics. Harold’s research interest focuses on High Performance Digital Networks; Biometrics and Smart card applications; Automation and Control, and Artificial Intelligence. He contributed to R&amp;D work for Yamaha Corporation (Hamamatsu – Japan), NEC Corporation (Tokyo-Japan), and UMAN GmbH (South Africa), as well as attended and participated in a number of conferences and conventions organized by the Audio Engineering Society.<br>

Harold is also Executive Director of HarTet Technologies Limited, a technology research firm focused on R&amp;D and consultancy in line with systems automation. He was the lead consultant on a number of projects with firms such as Genser Energy, ACDI VOCA Ghana, Ghana Poultry Project, Ghana Grains Council, Ministry of Food and Agriculture, and the Ghana Commodity Exchange. Harold is also the lead solutions architect of SmartSale ERP (a Biometric and Smart card-enabled solution for the retail industry). Harold enjoys teaching courses in Computer Networks, Artificial Intelligence, Embedded Systems, and Software Development. He has over 8 years of teaching experience, he is an advisory member of the National Accreditation Board (under the Ministry of Education) and is a member of the Audio Engineering Society and the IEEE Computer Society.