PNNL

Cheslan (Ches) Simpson is a physicist and senior scientist within the National Security Directorate at Pacific Northwest National Laboratory (PNNL). He provides solutions for project teams as a principal investigator and project manager.

His research spans multiple government agencies who develop, test, and deploy radiation detection equipment. His experience includes detector development; algorithm development; detector testing and evaluation; and non-destructive assay of nuclear materials.

He is passionate about mentoring students and staff and helps to recruit talented individuals to PNNL. Through his scientific work and in collaboration with scientists at PNNL and other national laboratories, Simpson helps to train, mentor, and place students at PNNL and within the broader national laboratory complex.

Prior to joining PNNL, Simpson was a scientist and team leader at Los Alamos National Laboratory.

• Applied physics
• Inorganic chemistry
• Internet of Things
• Radiation detection
• Radiation dosimetry and measurement

• MBA, Eastern Washington University, 2023
• PhD in inorganic chemistry, University of Chicago, 2002
• BA in chemistry, City University of New York-Queens College, 1994

• American Physical Society (APS)
• Institute of Electrical and Electronics Engineers (IEEE)
• National Society of Black Engineers

• Science Advisory Board, City University of New York-Queens College