October 12, 2026 • Sana’a University
Researcher Fadl Muqbil Abdullah Hajib was awarded a PhD degree in Business Administration for his dissertation titled “The Role of Strategic Vigilance in Achieving Competitive Advantage through Crisis Management as a Mediating Variable: A Field Study in Yemeni Universities.” The dissertation was submitted to the Center of Business Administration for Graduate Studies at Sana’a University. The dissertation defense was held on Monday, October 12, 2026.
The PhD Viva-Voce Committee consisted of the following members:
• Prof. Abdulkhaliq Hadi Mohsen Tawaf – University of Amran – External Examiner and Committee Chair.
• Assoc. Prof. Hamoud Abdullah Saleh Aqlan – Sana’a University – Internal Examiner and Committee Member.
• Prof. Khaled Hassan Al-Hariri – Taiz University – Supervisor and Committee Member.
The dissertation defense was attended by a number of academics, researchers, and other interested individuals, as well as the researcher’s colleagues and family members.
