On 1st of January 2001 Boris Zeisser and Maartje Lammers founded 24H architecture in Rotterdam, the Netherlands. Maartje Lammers was born in 1963 and graduated from Technical University of Delft in 1988. Boris Zeisser was born 1968 and graduated from Technical University of Delft with honourable mention in 1995. Before starting their own office Boris Zeisser and Maartje Lammers worked in several well-known architectural offices like (EEA) Erick van Egeraat associated architects, Mecanoo and the Office for Metropolitan Architecture (Rem Koolhaas).