Jonathan Sermier

Jonathan Sermier currently serves as a Contrôleur qualité at Patek Philippe, a position held since May 2023, focusing on quality control and functional assessment of various caliber families. Previously, Jonathan engaged in quality control at an unspecified organization and served as a Soldat d’infanterie in the Swiss Army from January to July 2023. In March 2018, Jonathan completed an internship as an electrician at Wernli&GB SA, where responsibilities included teamwork in cable installation, support setup, and electric conduit placement on construction sites. Jonathan holds a CFC Horloger de Production degree from Ecole d'Horlogerie de Genève, earned from September 2019 to July 2022.