Welcome to the NCSLI/CPEM 2020 Workshop & Symposium in Denver, Colorado, at the Gaylord Rockies Resort & Convention Center. This year we have the honor of hosting the Conference on Precision Electromagnetic Measurements (CPEM) concurrently with the NCSLI Annual Conference. The 2020 conference theme is "The SI Unleashed — Bridging Science & Metrology. NCSLI and CPEM are offering you an exceptional opportunity to attend, present, sponsor and exhibit at this outstanding conference venue.