The renovation and extension of the Hilton hotel in Athens was accomplished in cooperation with the offices of AlexandrosTombazis and Harry Bougadelis under the specifications of the Hilton Company. The project was performed with the system of design and construction of a fast-track procedure to achieve completion of the project before the Olympic Games. The dominant aesthetic expression-direction was a minimalist design.

The main areas that designed were the main spaces of the ground floor -particularly the Aethrion Lounge and Bar, which lies right of the entrance hall- and a large multipurpose room Terpsichore Ballroom at the end of the main lobby. At the level of the pool the hall Esperides Room was designed as also the executive lounge on the 11th floor. Part of the study was also the basement parking.