1. Visiting Professor at Ardhi University Tanzania
2. Associate Professor at the School of Public and International AffairsVirginia Tech United States
3. Associate Professor at the Center for Public Administration and Policy, School of Public and International AffairsVirginia Tech United States
4. Professor of Sustainable Enterprise at the School for Environment and Sustainability and Ross School of BusinessUniversity of Michigan United States
5. Who passed away on 4 November 2016, was a Research Professor and Regional Climatologist for the western USDesert Research Institute United States