He has participated in a series of Workshops and Masterclasses by top-class photographers from Greece and abroad, including Anders Petersen, Chris Morris, Davide Monteleone, Stefano De Luigi, Pavlos Fysakis, Kamilo Nollas, in collaboration with the ICP in New York. In 2014, Orestis was selected to participate in the 7-month International Masterclass by VII Photo Agency in Milan.
Seferoglou started his career as a staff multimedia photojournalist in Eleftherotypia national daily newspaper and EPSILON magazine. Furthermore his photographs have been published in various greek magazines such as K magazine, BHMAgazino, METRO and more. He is collaborating with SOOC photo agency and he is working as a freelance photographer for VICE Greece and Kathimerini.
Seferoglou’s work has been featured in numerous exhibitions, including Athens Photo Festival, Medphoto Mediterranean Photography Festival, Docfield Barcelona, Menontrenuno Sardinia, Festival Territoires en Images Paris, Kythera Photographic Encounters, TEDxAthens, The Hunt Museum.
In 2016, he was nominated for the World Press Photo Joop Swart Masterclass