Now she is the project coordinator at The Media-Guard Association, an Association in Moldova, which is campaigning for the transparency of media sources, access to public information and safety of journalists. Previously, she worked at the Center for Investigative Journalism. She is involved in dismantling of fake news and propaganda. Now, Mariana is hosting two shows at the public radio station. Mariana Colun holds the Investigative Journalism Course at the State University of Moldova. As a project manager, she also worked with international organizations, such as IMS, IAWRT, and Demos.