Dr.-Ing. Deniz Sari in 2012 received his degree in mechanical engineering from the RWTH Aachen University. He began his career as a research engineer and a group leader of the Gear Manufacturing Group of Laboratory of Machine Tools and Production Engineering (WZL) of RWTH Aachen University. In 2016 he earned his Doctorate — with a core emphasis on gear finish hobbing — in Mechanical Engineering (Dr.-Ing./Phd) from the RWTH Aachen University. Also in 2016 Sari began work as gear technology manager for Samputensili (Bentivoglio Italy) and its joint venture, Star SU.