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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  • Corporate
  • MDR
  • SASE
  • SD-WAN
  • Security

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  • Open Systems
  • Ric Longenecker
  • Stefan Keller
  • Dave Martin
  • Moritz Mann
  • John Koetsier
  • David Balaban
  • Christian Brauchli
  • James Pearse
  • Geoff Haydon
  • Renato Iten
  • Andrina Brun
  • Vijay Viswanathan

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

Stefan Keller
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