Miren has been the Executive Director of Greenpeace Spain, Inter Press Service Editor in Chief, and a journalist based in Hong Kong, Panama, New York and Rome, writing and researching for El Mundo, El País, The Nation, Wall Street Journal, UPI and Transparency International.
- 18 January 2018, Quartz7 July 2017, World Economic Forum
- 5 July 2016, El Pais5 July 2016, El Pais
- 29 June 2016, The Guardian29 June 2016, Thomson Reuters Foundation
- 21 November 201425 March 2014, Thomson Reuters Foundation