Thomas Gellweiler serves as the Managing Director of LESER GmbH & Co. KG since January 2018, overseeing one of Europe's largest manufacturers of safety valves. In addition, Thomas has been a Member of the Supervisory Board at LISEGA SE since June 2013, contributing to the leading specialist in industrial pipe support systems. Previous roles include Managing Director at RITAG Ritterhuder Armaturen GmbH & Co. Armaturenwerk KG from February 2001 to July 2016, focusing on corporate strategy and market development, and Sales Manager at LESER GmbH & Co. KG from July 1992 to January 2001, where Thomas developed sales strategy and provided international support. Thomas began a career as a Process Engineer at LINDE Engineering between April 1989 and June 1992, specializing in safety studies and engineering for chemical plants. Thomas holds a Diplom-Ingenieur degree in Process Engineering from the University of applied sciences in Bingen, Germany.
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