Léa is a senior investigator at Graphika. She leads the social network analysis firm’s research, monitoring, and investigations into the detection and tracking of online influence operations, extremist and hacktivist groups, scams, and fraud networks.
Léa’s work has helped disrupt global extremists' efforts to orchestrate real-world harm and has exposed the inner workings of nation-state influence operations from Russia, China, and Iran. Her investigations include deep dives into Russian influence operations targeting U.S. and Western voters ahead of key elections, and Chinese state-linked networks such as the Spamouflage influence operation.