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)