Jeroen is a passionate test professional with about 24 years of experience in testing, test management and executing, coordinating, coaching and advising roles. Driven by his passion he always search for those things which makes testing valuable and interesting. Besides presenting several times on the Dutch TestNet conferences (2010, 2012,2016,2019,2023), he also gave presentations and/or workshops on SeeTest 2017 Sofia, SeeTest 2018 Belgrade, SeeTest 2019 Bucharest, TestCon 2018 Vilnius, TestCon 2019 Moscow, QA Expo 2019 Madrid, Seetest 2021 Bucharest. Inflectracon 2023 Washington D.C, TestCon Europe 2023, Vilnius. Also he made his contributions to an anniversary book of TestNet “Set your course: Future and trends in testing” (translated from Dutch), Co Author "The characteristics of a modern testing process" (translated from Dutch) and the book “How to reduce cost of software testing”.