- 1992[subject unknown]Corporation Member
 - 1993[subject unknown]Corporation Member
 - 1994[subject unknown]Corporation Member
 - 1995[subject unknown]Corporation Member
 - 1996[subject unknown]Corporation Member
 - 1997[subject unknown]Corporation Member
 - 1998[subject unknown]Corporation Member
 - 1999[subject unknown]Corporation Member
 - 2000[subject unknown]Corporation Member
 - 2001Exploration in the Deep Sea: Sulfur Springs, Symbiosis, and Microbial DiversityFriday Evening Lecturer