Donald Helton has 10 years of experience in the nuclear engineering field, predominantly at the US Nuclear Regulatory Commission (NRC). During his time at the NRC, Mr. Helton has worked primarily for the Office of Nuclear Regulatory Research, supporting various agency regulatory activities. His work experience and expertise span deterministic safety analysis, probabilistic risk assessment, and incident response. Specifically, he has worked in the areas of computational fluid dynamics, thermal hydraulic systems analysis, severe accident progression modeling, Level 1 and Level 2 probabilistic risk assessment. Mr. Helton has worked on issues related to operating reactors, advanced light-water reactors, non-light-water reactors, and spent fuel storage. Mr. Helton has a bachelor's degree in nuclear engineering from North Carolina State University, a master's degree in nuclear engineering from Texas A&M University, and is a graduate of the NRC's Nuclear Safety Professional Development Program.