• Since October 2004, Professor Papatheodorou has been collaborating as an Adjunct Member of Academic Staff with the Hellenic Open University for the degree of MSc in Management of Tourism Enterprises.
• Until recently, Professor Papatheodorou was leading a series of thirty-four (34) short seminars on tourism based on distance learning methods at the University of the Aegean, Greece. He also contributes regularly on various courses delivered by the University of the Aegean using both asynchronous (i.e. Moodle) and synchronous (i.e. BBB) distance learning platforms.
• Between 2000-04, Professor Papatheodorou contributed to the electronic delivery of Tourism Theory and Practice and the short-course version of Research Methods on distance learning programmes offered by the University of Surrey, United Kingdom.