The Symposium on Thermophysical Properties, the leading international conference in the field, is held every three years in Boulder, Colorado. Associated with the Symposium is an award presented to individuals who demonstrate long term and significant service to the Symposium. The first award was given to Dr. William (Mickey) Haynes in 2015 for his significant service to the Symposium, and sub sequentially the award was named in his honor. This year the Symposium Award was presented to Dr. Marcia L. Huber of the NIST Material Measurement Laboratory Applied Chemicals and Materials Division.