Theodoros Labropoulos successfully completed the online course "The Fundamentals of Revenue Management: The Cornerstone of Revenue Strategy" offered through Coursera and authorized by ESSEC Business School. The certificate is dated January 06, 2016 and confirms Theodoros Labropoulos' identity and participation in the course. It was verified by Peter O'Connor, Augustin Cacot, and Nathaniel Green of ESSEC Business School and DUETTO.