Nathan Fisher, a managing director with StoneTurn, brings over a decade of experience investigating national security threats to the US government. As a special agent with the Federal Bureau of Investigation, Nathan conducted a vast array of complex intelligence, counterintelligence, and cyber-focused investigations and operations. In his current role, Nathan advises clients across the national security, CFIUS, and cyber spectrums.

During his nearly 12 years with the FBI, Nathan worked on sensitive intelligence collection efforts, collaborating with several other US Intelligence Community (USIC) partners. A Russian speaker, Nathan leveraged his language skills and subject matter expertise to support national security matters and inform policy. He also investigated threats posed by nation-state actors and worked with private sector and academic institutions to inform threat awareness and resolve vulnerabilities.