Former Hagebau managing director Hans-Joachim Hoewner becomes president of Arena supervisory board
Hans-Joachim Hoewner is taking over the presidency of the supervisory board of the international purchasing company Arena. Hoewner, who retired as managing director of Hagebau at the start of the year, replaces the supervisory board chairman of Hagebau, Rolf J. Wertheimer, in this body.