I have worked extensively in terrestrial remote sensing as well as in the field of planetary science. I received a Ph.D. in the Geosciences with a Minor in Remote Sensing from the University of Arizona in 1991. I have worked in both academic and commercial environments. I worked three years for Science Applications International Corporation (SAIC) under contract to the government on the Hyperspectral Digital Imagery Collection Experiment (HYDICE). After leaving SAIC, I worked on several commercial hyperspectral remote sensing projects and was a key player in helping Earth Search Sciences, Inc. in the early validation and operation of their Probe-1 hyperspectral sensor. I have also been very active in working with data from the Mars Pathfinder and Mars Global Surveyor missions and am now a science team member for the Mars Exploration Rover mission. I have worked with data from a large number of multi- and hyperspectral sensors including Landsat Thermal Mapper, AVIRIS (Airborne Visible/Infrared Imaging Spectrometer) , HYDICE, Probe-1, and Ikonos. I am an expert in the application of advanced processing techniques to hyperspectral data sets. Specifically I have worked with and published on the application of Spectral Mixture Analysis and related techniques such as Orthogonal Subspace Projection and Constrained Energy Minimization to multi- and hyperspectral datasets.