David Tiercery

David Tiercery is an accomplished executive in the automotive industry with extensive experience in account and site management. Currently serving as Vice President and Head of the STELLANTIS account at LEONI since October 2018, Tiercery oversees significant yearly sales of 600 million euros from wiring harnesses. In April 2023, Tiercery was appointed Managing Director of Leoni Wiring Systems France, managing HR, finance, facilities, quality systems, and SHE responsibilities. Previous roles include Customer Business Unit Director at Aptiv, Sales & Marketing Director at Marelli, and Customer Manager at Valeo Engine and Electrical Systems, where Tiercery built a strong track record managing key automotive accounts and driving revenue growth. Tiercery's career began with a background in R&D and applications management in the semiconductor industry. An engineering graduate from Ecole nationale d'Ingénieurs de Metz, Tiercery possesses a robust technical and managerial foundation.