Jaroslav Valuch is a news literacy and fact-checking project manager at Transitions, a Prague-based media development organization, where he runs the organization’s media literacy and disinformation initiatives, including Factczech.cz, which provides support to Czech journalists and students in the field of verification and fact-checking, as well as a program focused on senior citizens. He is an experienced practitioner in the field of media literacy, hate speech prevention, countering disinformation, strategic communication, and communication with crisis-affected populations. He has worked with dozens of organizations and civic initiatives in Europe, the Middle East, and Southeast Asia. He coordinates the SCIENCE+ project of Free Press Eastern Europe, which aims to improve medical journalism and respond to medical disinformation. Jaroslav is a member of the Crisis Information Unit at the Czech Ministry of the Interior.