His work as a consultant and opinion as an expert in his field was in demand worldwide years before the time of his death, in the crash of Air France Flight 447.
[1][2][3] Dreyfus encouraged better accounting of weapons to prevent them falling into the hands of criminal organizations.
[1][4] He supported the development of anti-gunrunning security in Mozambique,[1] Angola, El Salvador and other countries.
[5] At 2009, he was the research coordinator of the Small Arms and Light Weapons cluster in a local NGO in Rio, Associate Professor of the Superior Institute of Religious Studies, consultant of Small Arms Survey, senior researcher and professor of the Latin American Social Sciences Institute (FLACSO) and coordinator of the Friedrich-Ebert-Stiftung (FES) Brazilian think tank of regional security.
Pablo was also the son of renowned and award-winning Argentine ad man, Gabriel Dreyfus and Ana Piazzetta.