David Gräfenstein is currently the Director of Radiopharma Operations and Airline Procurement for EMEAI and APAC at Marken, a role they have held since 2025. Previously, from 2024 to 2025, they served as Senior Manager of Global Air Capacity and Procurement at UPS Supply Chain Solutions. David has extensive experience within UPS, where they worked from 2021 to 2024 as Air Cargo Manager for EMEAI, and held various positions including HUB Package Handler, Capacity Management Supervisor, and Commercial Forwarding Agent during their tenure. They completed their Ausbildung in Logistics Management at Alfred-Müller-Armack-Berufskolleg Köln from 2011 to 2014 and earned a Bachelor of Arts in Leadership and Management from Anglia Ruskin University between 2018 and 2021.
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