Desert Research Institute
President
University of New Mexico
Professer, Chairman of Geology Department
Nevada STEM Coalition/Gathering Genius, Inc.
Chairman, Board of Directors
Geological Society of America
Past President
University of California, Riverside
Professsor
Desert Research Institute
Executive Director, Quaternary Sciences Center
University of New Mexico
Assistant Professor, Associate Professor, Professor, Dept.of Geology
Indiana University Bloomington
University of Cincinnati
