Semih Ercan, a civil engineer, graduate from the Middle East Technical University (METU) in Ankara, where he specialized in structural engineering. In 1995 he obtained his Master′s degree in architectural conservation from the Raymond Lemaire International Centre for Conservation (RLICC) at the University of Leuven, in Belgium, where he specialized in stone conservation techniques. He has worked as an independent architectural conservation specialist since 2002 and has participated in different conservation projects. Ercan has been working for the Sagalassos project since 1993 as a technical specialist and project manager; he participated in the conservation projects of the Late Hellenistic Nymphaeum and the Neon Library. He prepared and directed the anastylosis project of the Antonine Nymphaeum, at Sagalassos during 1998-2010. Since 2011, Ercan has been directing the anastylosis project of the Upper Agora at Sagalassos.