In 2008, Wanuri completed her first feature film FROM A WHISPER based on the real-life events surrounding the twin bombings of US embassies in Nairobi and Dar es Salaam in 1998. The film won 5 awards at the Africa Movie Academy Awards including Best Director and Best Picture. Shortly after, she completed FOR OUR LAND (2009), a TV documentary about the life of Nobel Peace Prize Laureate Wangari Maathai.
Her short sci-fi film PUMZI (2009), which was partially funded by Focus Features and Goethe Institut won Best Short at Cannes Independent Film Festival and the Silver Prize at Carthage. She is currently adapting a short story "JAMBULA TREE" into a feature film with Producer Steven Markovitz.