San Francisco mayor Gavin Newsome and California governor Arnold Schwarzenegger both issued proclamations honoring Tomasson, and members of the cast of Beach Blanket Babylon, a long running San Francisco revue, performed a song about the choreographer.
The medal, created in 1983 in honor of the company's longtime director, recognizes "those rare individuals who have left an indelible mark on the history of San Francisco Ballet." It has been presented 10 times.
Tomasson, a former principal dancer with New York City Ballet, has led San Francisco Ballet since 1985. He has created full-length productions of Swan Lake, The Sleeping Beauty, Romeo and Juliet, Giselle, and The Nutcracker for the company.