The principal, Wilfried Hackenbroich, born in Cologne 1965, has studied architecture (graduated as Dipl.-Ing.) in Cologne, Germany and at the SciArc in Los Angeles (Master of Architecture), USA. His working experience ranges from internationally recognized offices like O.M.A. (Rem Koolhaas) in Rotterdam or Morphosis in Los Angeles to  offices in Cologne, London and Berlin. Besides the actual building experience as project manager for building volumes up to 20 million euro, O.M.A. has offered insights into urban planning and large scale project planning.