Tô Oanh is a retired teacher, journalist, and blogger who has written extensively about the Vietnamese government's censorship of the media and violation of human rights. Oanh was previously a journalist for Vietnam's state media, but expressed dissenting opinions in his writing and was dismissed from his post. In 2007, he transitioned to online media and blogging. In response to his writing and activism, he has been the target of intimidation, and continues to be harassed.