C.Erdem IMRAK has been employed as a fulltime Professor in Istanbul Technical University (ITU). Dr. Imrak received the B.Sc., M.Sc. and Ph.D. degrees in Mechanical Engineering from ITU in 1990, 1992 and 1996 respectively. He has carried out research into materials handling and especially lift systems. Currently his activities include: a Member of the IAEE; a Member of the OIPEEC, a Member of Chamber of Mechanical Engineers in Turkey; a Member of Steering & Consulting Committee of Asansor Dunyasi Magazine and a Member of International Committee of Elevatori and Rapporteur from Turkey.