Africanus Mensah is the Chair of the MainOne Ghana Board. He is the Owner & CEO of Amaja Oilfield Limited, was appointed as Board Chair in March of 2011.

Africanus holds a degree in Petroleum Engineering from the University of Texas in Austin, USA. He also possesses management certificates from MIT Sloan, USA and the University of Michigan Business School also in the USA. Africanus began his work career with Schlumberger Oilfield Services Limited, where he worked for over 18 years in the Oil & Gas industry and rose to the Vice President for West Africa Operations and also Vice President QHSE for North and South America Region. His career with Schlumberger Oilfield Services spans over 11 different countries, including The United States, The United Kingdom, Canada, Venezuela, Brazil, Colombia, Italy, France, Angola and Nigeria.