Marjan E.F. Rintel has a strong track record in civil aviation. After her studies, Rintel worked in various roles at Amsterdam Airport Schiphol. In 1999, she moved to KLM Royal Dutch Airlines and held a number of different positions until 2014. She got to know the company from the inside: operationally and commercially. In 2014, Rintel exchanged KLM for NS (Dutch Railways). For six years, she held the position of Operational Director on the Executive Board. In 2020, she was appointed Chairman of the Board. On 1 July 2022, she returned to KLM as President and CEO and was reappointed in 2026.