Chief Executive Officer (CEO)
Stephan Rettenberger

Stephan Rettenberger
SVP, marketing and investor relations
Stephan is responsible for the external marketing and global positioning of ADVA Optical Networking’s portfolio of open connectivity solutions. He is charged with strengthening the company’s brand and market recognition across the globe and communicating with the financial markets.
He regularly makes appearances at industry and investor conferences, and has more than 20 years of experience in the telecom industry and far-reaching expertise with fiber-optic transmission technologies. Before joining the company in September 2003, he worked for Marconi Ondata GmbH (now Ericsson), where he was responsible for introducing and positioning their next-generation optical networking solutions. He holds a master’s degree in physics from the Technical University, Munich, Germany.
Other profiles
Chief Financial Officer (CFO)
Chief Marketing & Sales Officer (CMSO)
SVP, advanced technology, standards and IPR
GM, Edge Cloud
CTO, Edge Cloud
Director, global sustainability
VP, global business development
Director, technical marketing
Director, advanced technology
Director, advanced technology
Director product line manager
Director, business development
VP of R&D, Ensemble division
Senior director, product management
Senior staff engineer
PLM director
Director, system architecture