Petros Dellatolas was born and raised on Tinos, and is a graduate of the School of Fine Arts, Panormos, Tinos. In addition to his studio activities, he has done major architectural work throughout Greece, as well as restoration of ancient sites. He is acknowledged as one of Greece's finest marble sculptors.

Annette Fougnies was born and raised in the Chicago area and joined the Dellatolas Studio in 1984. She has a BFA in Sculpture from the University of the Arts in Philadelphia, Pennsylvania; her art education also includes studies at Iowa State University, and at the The Ealing School of Art and The Slade School of Art, in London England. Both Petros and Annette have been instructing and mentoring an ever increasing international roster of artists at their studio in Tinos.