Leon Lieske has a diverse professional background, beginning with a role as a Kistenwäscher at Henning Broscheit GmbH from April 2017 to August 2017. Subsequently, Leon served in the Bundesfreiwilligendienst at Alfried Krupp Krankenhaus in the Herzkatheterlabor from September 2017 to July 2018. From January 2021 to November 2025, Leon worked as a Vertriebsmitarbeiter at COLLIN KG ESSEN, followed by a current position as an Inside Sales Consultant at opta data Gruppe since November 2025. Leon is also pursuing a Bachelor of Business with a staatlich geprüfter Wirtschaftsfachwirt degree at BCW Weiterbildung Essen from 2022 to 2024, after completing a Kaufmann im Groß- und Außenhandel degree at Collin KG Essen from 2018 to 2021.
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