Mirjam Wamsteeker studied Dutch language and international literature at the Rijksuniversiteit in Utrecht. She joined T-Systems in 2002 and has worked the first 18 years in the Netherlands where she was responsible for marketing and communications.
In 2020, Mirjam Wamsteeker became Global Cloud Market Leader at T-Systems International. With the international marketing team and cloud experts, she laid the foundation for the cloud-first strategy of T-Systems, announced in February 2021. In 2022 she took over the lead for the Industry Marketing as Head of Portfolio & Industry Marketing.