Supervison of a Thesis The Thesis Committee shall consist of at least the Supervisor and the Co-Supervisor. Who may serve as Supervisors or Co-Supervisors for a thesis can be seen under Art. 11 and 12 of the Award Regulations for Doctor’s Degrees of the University of St. Gallen as of December 11, 2006. As an applicant for the PhD Programm in Economics and Finance (PEF) you will need confirmation of support for your PhD from the Programme Committee. It is therefore not necessary to obtain a letter of recommendation from the supervisor. Your future supervisor can find the form " Support PhD students" in the "FacultyWeb / Information for faculty", which he / she submits directly to the PhD Office.