Management of S2 architects consists of ir. (engineer MA) Frank Spoek (1954) and ing. (engineer BA) Rob van den Berge (1965). They communicate with clients and governments, they consult with the design team, are contact person for third parties and have the final responsibility at S2 architects. In case of a high workload, S2 architects can count on the support of a fixed number of independent former employees, including Ana Jaumandreu, Simone Bleumink, Derko-Jan Dollen and Thijs Karrenbeld.