Questions and comments may be submitted to Dr. Catharine (Cassie) Conley, the NASA Planetary Protection Officer.
Dr. Catharine A. Conley
Planetary Protection Officer
Science Mission Directorate
Washington, DC 20546
http://what-if.xkcd.com, October 2014
Mars Is Pretty Clean. Her Job at NASA Is to Keep It That Way.
The New York Times, October 5, 2015
Cassie Conley on International Guidelines
August 29, 2014
Catharine (Cassie) Conley; NASA Solar System Exploration
NASA.gov, January 2013