G. Randy Keller is a Professor of Geophysics and McCollough Chair at the Mewbourne College of Earth and Energy, University of Oklahoma. He has collaborated with Chaitanya Baru since the emergence of geoinformatics as an organized scientific initiative in the USA in the late 1990s, helping to lead and organize the US Geoinformatics initiative and communicate its potential to colleagues around the world both informally and through many appointments to advisory committees. He is also a Principal Investigator on the GEON (Geoscience Network) project that is a major effort funded by the National Science Foundation. Professor Keller's research has focused on applications specific to the geosciences.

Chaitanya Baru is a Distinguished Scientist at the San Diego Supercomputer Center, University of California, San Diego. He has collaborated with G. Randy Keller since the emergence of geoinformatics as an organized scientific initiative in the USA in the late 1990s, helping to lead and organize the US Geoinformatics initiative and communicate its potential to colleagues around the world both informally and through many appointments to advisory committees. He is also a Principal Investigator on the GEON (Geoscience Network) project that is a major effort funded by the National Science Foundation. Dr Baru's work at the San Diego Supercomputer Center has involved cyberinfrastructure activities across a range of scientific subject areas.