Aliaume LeRoy – an open source investigative journalist with the Africa Investigations unit of BBC World Service. Before, he was a campaigner on the Conflict & Fragile States strand at the NGO Global Witness. He has published works on arms, drug, and diamond trafficking. His research with the Bellingcat Investigation Team concentrates on Africa and Latin America while providing support to ongoing investigations. He also delivers training in open source investigation tools and techniques on behalf of Bellingcat. He studied Political Sciences, Economics, and History at McGill University and a master in the War Studies department of King’s College London.Twitter @Yaolri or email

Jan Boček, – a co-founder of the data journalism department in 2012 for the news portal. Since 2014, he works in the same capacity for Czech Radio. He is interested particularly in education, health, and social topics. Jan was awarded a journalism award in 2015 for his article “Russians against Russians: Country in Undeclared Civil War.” An opendata enthusiast, Jan graduated with degrees in journalism, political science, and informatics from Masaryk University in Brno, where he currently teaches data visualization.