Mary Ma (Li-Hsin Ma) is the head of investigation and research at FactLink. She is a fact-checking specialist with five years of experience in digital investigations and OSINT. Her work focuses on election-related disinformation in Taiwan (2020, 2024), real-time fact-checking during debates, international collaboration fact-checking projects on the Russia–Ukraine war, Chinese military propaganda, and debunking AI-driven information manipulation. She is also an experienced media literacy trainer, dedicated to advancing OSINT skills among journalists and the public in Taiwan.