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David Hamman has over three decades of experience in the finance industry, primarily focused on commodity futures trading. Currently serving as an AP/CTA at Rosenthal Collins Group/Demeter Capital Management since January 1988, David has a strong background in trading gained from previous positions at Balfour MaClaine and Refco during the late 1980s. David holds a Bachelor's degree in Agricultural Industries from the University of Illinois Urbana-Champaign, earned between 1983 and 1987.