Dr Thomas Stock, Scientific Expert with DYNASAFE Environmental Systems GmbH. PhD in chemistry. Trained as analytical chemist. Besides the analytical background also knowledge in toxicology questions and decontamination of CW. Working as an expert in chemical disarmament and arms control from 1987 – 1996 which special focus on old and abandoned CW, dumped CW, destruction and verification technologies. Between 1988 and 1996 Project Leader and Program Manager of the CBW Research Programme at SIPRI (Stockholm International Peace Research Institute). Work focussed on: chemical weapons, old and abandoned chemical weapons, destruction technologies, environmental aspects, waste disposal technologies, and verification techniques and technologies. Since 1996 in private industry in different positions, such as Project Leader and Sales Manager. Since 2002 with DYNASAFE, Swedish born company, as Sales Manager, Project Manager and Managing Director of Dynasafe Environmental Systems and from 2016 until 2019. Since September 2019 retired. Published on various issues of analytical chemistry, arms control and disarmament, old and abandoned CW and CW destruction, environmental relevant issues.