Dione de Graaff was once again at the forefront of NOS's coverage of the Olympics, this time in Tokyo 2020 (held in 2021 due to the pandemic). Her reporting was characterized by its comprehensive nature and ability to bring the excitement of the games to Dutch audiences.

As a seasoned sports journalist, Dione de Graaff covered the 2016 Rio Olympics for NOS. Her work included live reporting and interviews, which were praised for their depth and ability to engage viewers, further solidifying her status as a leading figure in sports journalism.

Dione de Graaff was part of the NOS team covering the 2012 London Olympics. Her insightful reporting and interviews with athletes were a highlight of the coverage, demonstrating her continued commitment to delivering high-quality sports journalism.

Dione de Graaff was a key presenter for NOS during the 2010 FIFA World Cup in South Africa. Her role involved anchoring live broadcasts and providing expert analysis, which was well-received by viewers and critics alike, highlighting her expertise in football journalism.

Continuing her streak in sports journalism, Dione de Graaff reported on the 2004 Athens Olympics. Her coverage was noted for its depth and the ability to connect with viewers, further establishing her reputation as a leading sports journalist in the Netherlands.

Dione de Graaff was part of the NOS team covering the 2000 Sydney Olympics. Her reporting included live coverage of key events and interviews with Dutch athletes, showcasing her ability to handle high-pressure situations and deliver engaging content to a wide audience.

In 1999, Dione de Graaff became a presenter for NOS Studio Sport, one of the most popular sports programs in the Netherlands. Her role involved presenting live sports events and providing commentary, which significantly raised her profile in the Dutch media landscape.

Dione de Graaff began her career at NOS, the Dutch public broadcasting organization, where she initially worked as a sports reporter. Her early work involved covering a variety of sports events, which helped her build a strong foundation in sports journalism.