Stefan Spaelter currently serves as Director of Product Management for Quantum Technologies and Product Manager for Laser Rack Systems and Complete Solutions at TOPTICA Photonics, a position held since April 2020. Prior experience includes roles as Vice President of Solutions PLM at Infinera and Vice President of Global Technical Sales Support at Coriant GmbH, where responsibilities encompassed global sales enablement. Additional experience includes significant positions at Nokia Siemens Networks, Siemens AG, and Bell Labs Lucent Technologies, with a focus on optical engineering, system design, and advanced technology in communications networks. Stefan Spaelter holds a PhD in Physics with a specialization in Quantum Optics from Universität Erlangen-Nürnberg and a Diploma in Physics from the University of Konstanz.