1. West African Science Service Centre on Climate Change and Adapted Land Uses (WASCAL), Doctoral Research Program in Climate Change and Energy (DRP-CCE), Abdou Moumouni University, Niamey, Niger
2. Mechanical Engineering Department, The Energy and Environment Research Group (TEERG), Covenant University, Nigeria
3. Visiting professor, Faculty of Engineering & the Built Environment, University of Johannesburg, South Africa
4. Reiner Lemoine Institut, Berlin, Germany
5. Electrical and Computer Engineering, Higher Colleges of Technology, Ras Al-Khaymah, United Arab Emirates
6. Energy Commission of Nigeria, Abuja, Nigeria