September 12, 2003: Dr. Ed Lazowska, Bill & Melinda Gates Chair in Computer Science & Engineering, University of Washington

October 10, 2003: Dr. Richard Klausner, Global Health Executive Director, Bill & Melinda Gates Foundation

November 14, 2003: Dr. Lee Hartwell, President and Director, Fred Hutchinson Cancer Research Center

December 12, 2003: Dr. George Michaels, Director of Bioinformatics for the Biomolecular Systems Initiative, Pacific Northwest National Laboratory

January 9, 2004: Dr. Bruce Watson, Director of Quality Control, Columbia Winery

February 13, 2004: Dr. James M. Krueger, College of Veterinarian Medicine, Washington State University

March 12, 2004: Bill Ruckelshaus, Principal, Madrona Investment Group; Chairman, Salmon Recovery Board; First and Fifth Administrator of the US Environmental Protection Agency (1970 and 1985)

April 8, 2004: Dr. William A. Hagopian, Principal Scientist, Pacific Northwest Research Institute.

May 14, 2004: Dr. Phillip Thurtle, Assistant Professor, Department of Sociology and Anthropology, Carleton University; Co-Editor, In Vivo: The Cultural Mediations of Biomedical Science, University of Washington Press Book Series

June 11, 2004: Dr. Eric Horvitz, Senior Researcher and Group Manager, Adaptive Systems & Interaction Group, Microsoft Research