1. Prof. Dr.-Ing.; Fuchs Petrolub SE Group's Executive Board, Technology, Group Purchasing, Human Resources (retired); Weinheim Germany
2. Dipl.-Ing.; Head of R&D and Product Management for Metal Cutting Fluids; Hüttenfeld Germany
3. Dr. rer. nat.; Fuchs Petrolub SE, International Product Management for Metal working Fluids and Quenching Oils; Hassloch Germany