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Sport 2000 die Outdoor Profis, Limburg, Germany
Olaf Wittayer has been a co-owner of BIWAK Bike + Outdoor Centre in Limburg since 1991. The graduate industrial engineer in the field of mechanical engineering (studied at the Technical University of Darmstadt) is also a co-founder and managing director of OUTDOOR-PROFIS, a purchasing co-operative for specialized outdoor retail outlets. (September 2009)