Christo Grozev has been writing for Bellingcat since 2015, with a focus on Russia-related security threats and the weaponization of information. Based in Vienna, he authored several of Bellingcat's landmark investigations, identifying, among others, two senior Russian officers linked to the shooting down of flight MH17 in 2014, GRU officers involved with the planned coup in Montenegro in 2016, and the three Skripal poisoning suspects in 2018.

Christo holds a bachelor’s degree in journalism from the American University in Bulgaria, as well as law and business management degrees. When he is not doing investigative work for Bellingcat, he runs radio stations in the Netherlands and Ukraine, and is senior researcher at the Risk Management Lab at the New Bulgarian University.