In 1966 Arch. Thomas Leitersdorf established the firm in Tel Aviv.
In 2015 Arch. Ohad Ben Dayan became a partner.
Over the years, the firm has been involved in the widest range of projects for governments, municipalities, development corporations and the private sector.
Major projects were carried out in Israel, the US and several countries in Europe and Africa, on a national, regional and individual project scale.
In addition to planning assignments the principal also acted as active chairman of government and private development corporations in Israel and abroad.