In a statement, the company says that she will continue her career as the chief marketing communication officer of the Hungarian Tourism Agency from April 3.
It adds that Bánhegyi joined Magyar Telekom Group in the summer of 2012 as the marketing and communication drector of T-Systems Hungary, and worked on the build-up of the brand of this company created from five predecessor companies and serving corporate and public administration customers.
Later on she also became a member of the management of T-Systems.
Bánhegyi was appointed to manage the new, integrated communication organisation on, which is responsible for the communication of the entire company group, October 1, 2015.
The management of the company will decide on her successor later.