Stephan Schlamminger is a physicist at the National Institute of Standards and Technology (NIST). He received his Ph.D. in experimental physics from the University of Zurich, Switzerland in 2002. After spending time as a research assistant professor at the University of Washington in Seattle, he joined NIST in 2010. At NIST he led the effort building a new Kibble balance, a device that will be used to realize mass in the revised International System of Units. He has co-authored over fifty publications and one ebook. He holds two patents. He is a fellow of the American Physical Society. He was awarded the Silver Medal of the Department of Commerce for his leadership building the Kibble balance. He was part of a team that achieved the Allen V. Astin Measurement Science Award for his contribution to a pilot mass realization with the Kibble balance.