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

Gülay Stelzmüllner

CTO at Allianz Technology

  • linkedin
gulay-stelzmullner.jpeg
Gülay Stelzmüllner is the Chief Technology Officer (CTO) at Allianz Technology, where she is responsible for overseeing the entire internal IT landscape and all associated IT Service Management (ITSM) processes. Her role ensures that Allianz Group receives professional and efficient IT service management and delivery across the organization.

With a deep passion for driving innovation and transformation, Gülay is dedicated to enabling business digitization through state-of-the-art IT solutions. She brings decades of experience in IT, starting with her computer science studies in Munich.

Before joining Allianz in 2020, Gülay spent over 16 years at Siemens, where she held various roles and functions, earning an excellent track record in the standardization and cloudification of corporate IT services. Her expertise and leadership have made her a key figure in advancing digital transformation in large enterprises.

Meet More Women in Technology Leaders

  • dawn-paquette.jpeg

    Dawn Paquette

    Chief Information Officer
    GE Aerospace
  • 1554981642121.jpeg

    Sam Kini

    Global CIO & CISO
    Unilever
  • 1636212976658.jpeg

    Lidia Fonseca

    Chief Digital and Technology Officer
    Pfizer
  • 1629205961863.jfif

    Lidiane Jones

    Slack CEO
    Salesforce
  • 1598646653063.jfif

    Laura Kohl

    Chief Information Officer
    Morningstar
  • 1697849440793.jpeg

    Venice M. Goodwine

    Chief Information Officer, Department of the Air Force
    United States Air Force
  • beca-member-shot-najoh.png

    Najoh Tita-Reid

    Global CMO
    Logitech
  • amy-doherty.jpeg

    Amy Jean Doherty

    CIO
    World Bank Group
  • 1593800968671.jfif

    Hanna Hennig

    CIO
    Siemens
  • 1534355520929.jfif

    Bridget Engle

    Chief Operations & Technology Officer
    BNY Mellon
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