Jonathan joined Merck in 2008, starting at the Cherokee site in Danville, PA as a Maintenance Supervisor. After a brief hiatus to get a graduate degree, Jonathan returned to Merck in 2012 at the West Point, PA site. While at the site, he progressed through various roles of increasing responsibility through validation, technical operations, and operations. Currently, Jonathan is an Associate Director in the Value Chain Management organization, where he is the Global Product Leader for one of Merck's in-line vaccines. In this role, he is responsible for all aspects of product management including product strategy, end-to-end supply chain health, and risk management. Prior to joining Merck, Jonathan served in the US Navy as a nuclear-trained submarine officer.