Board of Directors

• Nicholas George
  Non-Executive Chairman
• Brady Rafuse
  Chief Executive Officer
• John Scarano
  Vice Chairman and Executive Vice President
• Uwe Nickl
  Chief Marketing Officer
• Daniel Aegerter
  Non-Independent, Non-Executive Director
• Lam Kwok Chong
  Independent, Non-Executive Director
• Duncan Lewis
  Independent, Non-Executive Director
• Kai-Uwe Ricke
  Independent, Non-Executive Director
• John Siegel
  Non-Independent, Non-Executive Director
• Jason Booma
  Non-Independent, Alternate Non-Executive Director to John Siegel
• Simon Koenig
  Non-Independent, Alternate Non-Executive Director to Daniel Aegerter

John Siegel Non-Independent, Non-Executive Director

John Siegel has been a Partner of Columbia Capital since April 2000, where he focuses on communication services investments. He is also a member of the Board of Directors of GTS Central Europe, Virtustream, Cologix, Teliris Inc, CloudSherpas, and Zayo Group LLC.

Mr. Siegel received his Bachelor of Arts from Princeton University and his Master of Business Administration from Harvard Business School.

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