Professional Activities
Association of State Boards of Geologists
Subject Matter Expert (current)
AIPG Representative (past)
Arizona Board of Technical Registration - Board Representative (current)
Association of Applied Geochemists
President (past)
Executive/Council (current)
Journal Editorial Committee (past)
Symposium Chairman (past)
American Institute of Professional Geologists
Arizona Section President (past)
Arizona Section Treasurer (current)
National Symposium Committee (past)
Society of Mining, Metallurgy, and Exploration
Chairman – Geochemistry Section (past)
Tucson Gem & Mineral Society
President (past)
Show Chairman (past)