Dr. Charles A. Casto is a safety and regulatory professional with over 45 years of experience, including executive, regulatory, technical, and operational roles. Dr. Casto is the recipient of both the US Presidential Distinguished Award (2012) and the US Meritorious Rank Award (2009) and he served at the US Nuclear Regulatory Commission (NRC) for 28 years. His international experience as an extreme crisis leader includes having led the integrated US Government and NRC effort in Japan during and after the Fukushima nuclear accident, representing the US Government to the Japanese Prime Minister's Cabinet.