Stephan Rettenberger

Stephan Rettenberger is an experienced marketing executive currently serving as SVP Marketing at Adtran since September 2023. With a long history at ADVA Optical Networking starting in 2003, Stephan held roles including VP Marketing and Investor Relations, where contributions focused on establishing an inspiring brand image and positioning the company as a thought leader in growth areas such as cloud, mobility, and programmability. Previous experience includes leadership positions at Marconi Ondata, Siemens Optical Networks, and Bosch Telecom, showcasing a strong background in marketing and project management. Stephan Rettenberger holds a Master's degree in Physics from the Technical University of Munich, earned between 1988 and 2004.