William “Bud” Roth has served as the Non-Resident Fellow for Cybersecurity at Sasakawa USA since January 2016, where he researches topics relevant to the US-Japan relationship within the cyber-domain. Roth spent eight years in Japan. He earned a master’s degree at Nagoya University in the nineties. He returned in 2014 from a global deployment to Tokyo with a Big Four consulting firm. He researched the development of cyber-investigative tools and skills worldwide, consulted to Japanese law enforcement, and briefed investigators and forensic specialists on the role of expert witnesses and forensic evidence in US courts. Roth worked at the Department of Defense and started his federal career with the Securities and Exchange Commission, investigating Internet-based securities fraud.