100 Executive Women in Tech
to Watch in 2025
Hanna Hennig
CIO at Siemens
Hanna Hennig is the Chief Information Officer (CIO) at Siemens AG. Taking charge of Siemens' global IT, she is driving the company's digital transformation. Her transition came from her prior role as CIO at Osram Licht AG in Munich.
Her role at Siemens focuses on fortifying the implementation of Vision 2020+, emphasizing innovative, secure software platforms while closely overseeing the spin-off of Siemens Energy, ensuring its independence and functionality.
Hanna's extensive experience in diverse industries, spanning business transformation, IT technologies, and managing partnerships and suppliers, positioned her as an ideal leader for Siemens’ digitalization journey.
With a background in economics from the University of Hanover and 25 years in IT, Hennig supported digitization endeavors for companies like Telefonica O2, E.ON, and Osram.
Her role at Siemens focuses on fortifying the implementation of Vision 2020+, emphasizing innovative, secure software platforms while closely overseeing the spin-off of Siemens Energy, ensuring its independence and functionality.
Hanna's extensive experience in diverse industries, spanning business transformation, IT technologies, and managing partnerships and suppliers, positioned her as an ideal leader for Siemens’ digitalization journey.
With a background in economics from the University of Hanover and 25 years in IT, Hennig supported digitization endeavors for companies like Telefonica O2, E.ON, and Osram.
