CEO and chairman of the board
Stefan Voll
Stefan Voll
Senior director, business development
Stefan drives Adtran’s packet optical business, helping shape open transport solutions and strategic partnerships. With over 25 years in the optical networking industry, he has held leadership roles at Infinera, Coriant and Nokia Siemens Networks.
At Adtran, Stefan plays a key role in aligning customer needs with product development, cultivating close collaboration to shape next-generation technologies. His focus includes advancing open optical networking and IP-over-DWDM solutions that empower service providers to build more agile, scalable and energy-efficient networks.
Stefan holds a doctorate in physics from the University of Würzburg and a master’s degree from SUNY Stony Brook. He is a frequent contributor to industry discussions on optical innovation and network evolution.
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