Spencer Dryden was born on April 7, 1938 in New York City, New York, USA. He was married to Sally Mann and Jeannie Davis. He died on January 11, 2005 in Petaluma, California, USA.
After leaving Jefferson Airplane in 1971, he moved over to another Bay Area band, The New Riders of the Purple Sage, became their drummer and stayed through the late 1970s, when he stepped down from the drum kit and became their manager for several years.