Dr. Bill Farrand, the principal of Farr View Consulting, has a PhD in Geoscience from the University of Arizona, has worked with airborne and spaceborne sensors including AVIRIS, ASTER, LandSat, WorldView-2 and 3.  Dr. Farrand is a Participating Scientist on the Mars Exploration Rover mission and is the go-to person for multispectral analyses of rocks and soils collected by the rovers' Pancam sensors.

Dr. Farrand's Curriculum Vitae and publication list is linked here. Farrand_CV_2016.pdf