Jan Tönnißen, based in Düsseldorf, NRW, DE, is currently a Head of Digital Technologies at Bayer, bringing experience from previous roles at Bayer. Jan Tönnißen holds a 2018 - 2019 Executive MBA @ Quantic School of Business and Technology. With a robust skill set that includes Project Management, Human Resources, Performance Management, SAP HR, HR Transformation and more, Jan Tönnißen contributes valuable insights to the industry. Jan Tönnißen has 1 email on RocketReach.