Stefan Keller

Chief Technology Officer, SASE

Stefan Keller is Chief Technology Officer for Open Systems' Secure Access Service Edge (SASE) solution and is tasked with continuing the innovation that established the company as a leader in SASE. He played a key role in developing Open Systems' SASE and secure SD-WAN solutions in his previous role as the company's Head of Development.

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cisco
Corporate
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SASE
SD-WAN
vulnerability
zero trust
ZTNA

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André van der Walt
Andrina Brun
Charlie Gough
Christian Brauchli
Dave Martin
David Balaban
Jacqueline de Groen-Lelieveld
James Pearse
John Koetsier
Lenka Sykorova
Moritz Mann
Open Systems
Paul Keely
Renato Iten
Stefan Keller

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Gartner Recognizes Open Systems as One of Eight Vendors With Complete SASE Solutions

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