After several years abroad, Marieke de Hoon returned to the NOS headquarters in Hilversum to take on a senior editorial role. Her return marked a new phase in her career, focusing on mentoring young journalists and leading investigative projects.

Marieke de Hoon moderated a high-profile national debate on climate policy in the Netherlands. Her role as moderator was praised for her ability to facilitate a balanced discussion among politicians, scientists, and activists, highlighting the urgency of climate action.

In 2019, Marieke de Hoon published a book detailing her experiences and insights from reporting in the Middle East. The book received critical acclaim for its thorough analysis and personal narratives, offering readers a deeper understanding of the region's complexities.

Marieke de Hoon was awarded the prestigious De Tegel award for her investigative series on the illegal arms trade in the Middle East. Her work uncovered significant details about the networks involved and the impact of these trades on regional stability.

Marieke de Hoon was appointed as a foreign correspondent for NOS in Beirut, Lebanon. During her tenure, she reported on the ongoing conflicts in the Middle East, providing in-depth analysis and on-the-ground coverage of events in Syria, Lebanon, and Iraq.

In 2013, Marieke de Hoon gained recognition for her comprehensive reporting on the Syrian refugee crisis. Her coverage highlighted the human stories behind the headlines, bringing attention to the plight of refugees and the challenges they faced in Europe.

Marieke de Hoon began her career at NOS, a major Dutch public broadcaster, where she quickly established herself as a dedicated reporter. Her early work focused on domestic news, where she honed her skills in investigative journalism and reporting on complex issues.