1. Ph.D., Senior Lecturer, Department of Marketing, Enugu Campus, University of Nigeria Nsukka
2. Ph.D., Lecturer, Department of Finance, Performance and Marketing, Teesside University International Business School, UK
3. Ph.D., Senior Lecturer, Department of Leadership, Management and Human Resources, Teesside University International Business School, UK
4. Ph.D., Senior Lecturer, Department of Marketing, Nnamdi Azikiwe University, Nigeria
5. Ph.D., Senior Lecturer, Department of Marketing, Enugu Campus, University of Nigeria Nsukka, Nigeria