Mel Ulmer, Director of the Astrophysics Program at Northwestern University.
Matt Carrano, head curator for dinosaurs at the Smithsonian Institution.
Paul Sereno University of Chicago.
Brent Breithaupt, state paleontologist for Wyoming.
Darin Croft, PhD assistant professor for the Department of Anatomy at Case Western Reserve University.
Chris Sidor, PhD Curator of Vertebrate Paleontology at the Burke museum.
Zbigniew Sawlowicz, PhD in geology and head of the Geology Department at Jagiellonian University, in Kraków, Poland.
John Innis, PhD in astrophysics and worked in stellar seismology, but moved into atmospheric studies in 1992 when he joined the Australian Antarctic Division.
Gary Gaugler, PhD Microtechnics. Specializes in SEM analysis.
President, Aston Metallurgical Services Co., Inc., Wheeling, IL.
Principal Scientific Illustrator, University of Chicago, Chicago, IL.
Sigfried is a PhD physicist working at the university of Leuven in Belgium. He normally works in non-linear acoustics but is interested in the orbital parameters of extrasolar planets.
Eric has a doctorate in optical engineering and works in black operations for a major defense contractor.