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Ph.D. Program Faculty

Students in the Ph.D. in international business and marketing program at Saint Louis University have the opportunity to learn from and conduct research alongside the Chaifetz School’s leading international business and marketing faculty. Learn more about our Ph.D. program faculty.

Nitish Singh

Nitish Singh, Ph.D.

David Orthwein Professor; Ph.D. Program Director

Department of International Business

Learn More About Nitish Singh


Hadi Alhorr

Hadi Alhorr, Ph.D.

Paul Lorenzini Professor 

Department of International Business

Learn More About Hadi Alhorr 


Mark Arnold

Mark Arnold, Ph.D. 

Clarence and Helen Steber Professor

Department of Marketing

Learn More About Mark Arnold 


Brad Carlson

Brad Carlson, Ph.D.

Professor; James J. Pierson Endowed Chair in Marketing

Department of Marketing

Learn more about Brad Carlson


Jintong Tang

Jintong Tang, Ph.D.

Mary Louise Murray Endowed Professor 

Department of Management 

Learn More About Jintong Tang