Rosianna Halse Rojas

Rosianna Halse Rojas (born 15 August 1991) is a British writer, video blogger, social media manager, and online personality. She is best known for working with vlogger and novelist John Green, initially as his personal assistant, later producing partner.

Regarding her work with Green, Rojas has stated, "The job is varied – books, online video, podcasts, film and television projects, our work with Partners in Health Sierra Leone, a book club – but overall what I’m most passionate about is that every person I work with understands and is enthusiastic about the potential of community to effect change."