Christian Stief has over 20 years of experience in sales and management roles within the technology and engineering sectors. Currently serving as Sales & Service Manager at Particle Measuring Systems since January 2020, Christian previously held positions at Pharmacontrol Electronic GmbH as Regional Sales Manager and Market Manager from November 2012 to December 2019. Additional experience includes Sales Manager at Isra Vision, Account Manager Systems at Ebara Precision Machinery Europe GmbH, and Process Engineer at Applied Materials. Christian Stief earned a Diploma in Physics from Universität des Saarlandes between 1991 and 1998.