Antonio Villarreal (Spain, 1981) is a freelance journalist based in Madrid since 2005. He has been covering the science beat for print and online publications ever since. His features, interviews or news stories have been published in outlets such as ABC, El Correo, Público, EFE, El Periódico, Agencia SINC, Science Editor Magazine (US), FronteraD and Jot Down, among others.

Apart from covering health, environmental or technology issues, he has also been involved in several investigative and data journalism projects. In 2009, he spent two years specialising in Science & Technology Journalism at Texas A&M University thanks to a Fulbright scholarship.