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Stephan Rettenberger

Stephan Rettenberger image

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.

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