Skip to main content
Home
Toggle menu

Chief in tech Menu

  • Chief in Tech Summit
    • Overview
    • Get Tickets
    • Merch
  • Chief in Tech Book
    • About the Book
    • Book Executive Speakers
    • Order on Amazon (US)
    • Bulk Orders
    • International Orders
    • Chief in Tech Swag
  • 100 Chief Leaders
    • 2022
    • 2023
    • 2024
    • 2025
  • Media
  • Join Network
  • facebook
  • youtube

Hanna Hennig

CIO at Siemens

  • linkedin
1593800969500.jpeg
Hanna Hennig has been Chief Information Officer at Siemens AG since January 2020 and is driving the digitalization of the international technology company. She is a passionate technologist with more than 30 years of experience in IT. Throughout her career, she has supported and led various companies on their way through business and digital transformation, including Osram, Telefonica O2, E.ON, Robert Bosch and Cap Gemini.

As counselor of the BDI/ Bitkom initiative #SheTransformsIT, Hanna Hennig advocates for more gender equality in STEM and promotes IT talents in business as Deputy Chairwoman of the CIO Foundation - WHU. She is also committed to establishing sustainability standards in IT as a member of the advisory board of the non-profit organization SustainableIT.org and acts as an advisor for several technology companies and associations such as IDC, AWS, VOICE, Mendix, Next47 and the “Hamburg IT-Strategietage“.

Meet More Women in Technology Leaders

  • rathi-murthy.jpeg

    Rathi Murthy

    CTO/ President Expedia Services
    Expedia Group
  • 1609789813756.jfif

    Anisha Vaswani

    CIO
    Toast
  • elizabeth-stone.jpg

    Elizabeth Stone

    Chief Technology Officer
    Netflix
  • archanarao_profile-718x523.jpg

    Archana Rao

    CIO
    Unity
  • hanna-hennig.jpg

    Hanna Hennig

    CIO
    Siemens AG
  • jen-felch.jpg

    Jen Felch

    CIO & Chief Digital Officer
    Dell Technologies
  • 1663344523833.jfif

    Jen Goodison

    CTO Engineering Platforms
    HSBC
  • tracy-mozena.png

    Tracy Mozena

    CIO
    Atlantic Aviation
  • chetnamahajan.jpg

    Chetna Mahaja

    Chief Digital & Information Officer
    Amplitude
  • sheila-jordan-1400x1400.jpg

    Sheila Jordan

    Chief Digital Technology Officer
    Honeywell
All 100 Chief in Tech Leaders 2025
All 100 Chief in Tech Leaders 2024
All 100 Chief in Tech Leaders 2023
All 100 Chief in Tech Leaders 2022

The Chief in Tech Summit and Executive Women in Tech (EWIT) are powered by Women in Tech.

Chief in Tech

Privacy policy


sfy39587stp18