Skip to main content
Home
Toggle menu

Chief in tech Menu

  • Chief in Tech Book
    • Book Executive Speakers
    • Order on Amazon (US)
    • Bulk Orders
    • International Orders
  • Chief in Tech Summit
    • Get Tickets
  • Join EWIT
  • 100 Chief Leaders
    • 2022
    • 2023
    • 2024
    • 2025
  • facebook
  • youtube

Hanna Hennig

CIO at Siemens AG

  • linkedin
  • twitter
hanna-hennig.jpg
Hanna Hennig is a Chief Information Officer at Siemens AG, where she enables the digitalization of the global technology powerhouse.

Hanna successfully initiated Siemens' secure digital transformation journey through an innovative Zero Trust deployment. Before her role as CIO at Siemens, she guided companies like Osram, Telefonica O2, and E.ON in their business and digital transformations.

She studied economics and Japanese studies at the University of Hannover. Hanna is a passionate technologist with more than 25 years of experience in IT.

Meet More Women in Technology Leaders

  • raji-arasu.jpeg

    Raji Arasu

    CTO & EVP
    Autodesk
  • 1682380174766.jpeg

    Mona Breed

    CIO
    Toast
  • ez-headshot.jpeg

    Elaine Zhou

    CTO
    change.org
  • lidia-fonseca.jpg

    Lidia Fonseca

    EVP, Chief Digital and Technology Officer
    Pfizer
  • 1660686325061.jpeg

    Christine Weber

    CTO
    Twitch
  • 20211207_rueckert_tanja_050_web.jpg

    Tanja Rueckert

    Chief Digital Officer
    Bosch GmbH
  • 1655080392635.jfif

    Ariane Schiereck

    Chief Digital and Information Officer
    Enovis
  • laura-gonzales.jpeg

    Laura Gonzales

    Vice President, Information Technology
    HP
  • mira-murati.png

    Mira Murati

    CTO
    Open AI
  • 1613667896763.jfif

    Vidya Rao

    Chief Information Officer
    Genpact
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