In 2023, Tanja Braun launched a podcast series focused on climate change and its effects on the Netherlands. The series, praised for its engaging storytelling and expert interviews, aimed to raise awareness and inspire action on environmental issues among the Dutch public.

In 2021, Tanja Braun led an investigative series on the impact of the COVID-19 pandemic on the Dutch education system. Her reporting highlighted the challenges faced by students and educators, sparking a national conversation on educational reforms and digital learning.

In 2019, Tanja Braun moderated a high-profile national election debate broadcast by NOS. Her role as moderator was praised for her ability to maintain a balanced and informative discussion, showcasing her skills in handling complex political dialogues.

Tanja Braun published a book in 2017 titled 'Inside the Dutch Parliament', offering readers an insider's view of the political landscape in the Netherlands. The book was well-received for its insightful analysis and engaging narrative, further establishing Braun as an authority on Dutch politics.

In 2015, Tanja Braun was awarded the prestigious De Tegel award for her investigative journalism. Her series on government transparency and accountability was lauded for its depth and impact, cementing her reputation as a leading investigative journalist in the Netherlands.

Tanja Braun joined NOS in September 2012, where she transitioned to covering national politics. Her role at NOS allowed her to delve deeper into political journalism, providing audiences with comprehensive coverage of Dutch parliamentary affairs.

In 2010, Tanja Braun broke a major story on the Dutch housing crisis, highlighting the struggles of low-income families in Amsterdam. Her investigative piece brought national attention to the issue and prompted discussions on housing policy reforms.

Tanja Braun began her journalism career at De Volkskrant in 2005, where she quickly established herself as a promising reporter. Her early work focused on social issues and urban development, earning her recognition for her detailed and empathetic storytelling.