Home › Executives › Tom Gillis
Tom Gillis

Tom Gillis

Chief Technology Officer at Cisco

Cisco•San Francisco Bay Area, United States

View LinkedIn Profile
Experience31+ Years
LevelCXO

Career Timeline

Professional employment history
  • CiscoCurrent
    2023–Present· 3 yrs 9 mos
    • Chief Technology OfficerCurrent
      Aug 2026–Present
    • Senior Vice President, General Manager, Infrastructure and Security Group
      Dec 2024–Aug 2026
    • SVP/GM Security Business Group
      2023–2025
  • AllegisCyberCurrent
    2009–Present· 17 yrs 9 mos
    • Venture AdvisorCurrent
      2009–Present
  • Elevate Security (acquired by Mimecast)
    Apr 2021–Feb 2023· 1 yr 10 mos
    • Member, Board of Directors
      Apr 2021–Feb 2023
  • Broadcom
    May 2018–Dec 2022· 4 yrs 7 mos
    • SVP/GM Networking and Advanced Security Business Group
      May 2018–Dec 2022
  • Menlo Security Inc.
    2014–Apr 2021· 7 yrs 3 mos
    • Member, Board of Directors
      2014–Apr 2021
  • Tom Gillis
    Dec 2011–May 2018· 6 yrs 5 mos
    • CEO
      Dec 2011–May 2018
  • Cisco
    Jul 2007–Nov 2011· 4 yrs 4 mos
    • VP/GM Security Technology Group
      Jul 2007–Nov 2011
  • IronPort Systems
    Jun 2001–Jun 2007· 6 yrs
    • Vice President, Marketing
      Jun 2001–Jun 2007
  • iBeam Broadcasting
    Jun 1998–Jul 2001· 3 yrs 1 mo
    • VP/GM Media Group
      Jun 1998–Jul 2001
  • SGI
    1995–1998· 3 yrs
    • Manager, Product Line
      1995–1998

Education

Master of Business Administration (M.B.A.)

Harvard Business School

Master of Science (MS)

Electrical and Electronics Engineering

Northwestern University

Bachelor of Science (BS)

Electrical and Electronics Engineering

Tufts University

Executive Relationship Map

Reports To
Tom Gillis
Vice Chair & President
Chief Financial Officer
Chief Technology Officer
Chief Operating Officer

Executive Network Preview

BizKonnect has mapped this leadership network including reporting hierarchies, peer connections, and cross-functional relationships.

Verified Contact Information
Email & Direct Dial
Org Chart & Reporting Lines
Buying Committee Insights
AI-Powered Account Mapping

Skills & Expertise

20 of 20 skills
Cisco TechnologiesEncryptionVirtualizationProduct ManagementFirewallsNetwork SecurityTeam LeadershipSaaSProduct MarketingGo-to-market StrategySolution SellingSales EnablementCloud ComputingChannelSecurityStorageManaged ServicesBusiness AlliancesEnterprise SoftwareData Center