Jean-Charles Brisard authored a study on the financial network of the Bin Laden organization, "The economic environment of Osama Bin Laden". His report was written for the French intelligence community and published by the French national assembly in 2001. He testified on his work before the US Congress Joint Inquiry into the terrorist attacks of September 11, 2001 and before the U.S. Senate Banking Committee. Jean-Charles Brisard served as an expert or witness in prosecutions of terrorism financing and money laundering cases in France, Switzerland, the UK and the United States. He also provides training on terrorism and terrorism financing for the French authorities.