Doctoral Degree

University of Oxford

• Postdoctoral Research Programme

Tarlac State University

• Doctor of Philosophy in Business Administration (PhD)
• Doctor of Business Administration (DBA)
• Doctor of Education (Ed.D)
• Doctor of Public Administration

University of Management and Technology (US)

• Doctor of Business Administration (DBA)

Middlesex University 

• Doctor of Professional (D. Prof)
• Doctor of Business Administration (DBA)

Beijing Normal University (China)

•  北京師範大學經濟學在職博士 (PhD)

European University

• Doctor of Business Administration