Ian Lange, assistant professor of economics and business at Colorado School of Mines, was recently recognized by the Denver Busines Journal for his contributions to the local energy industry. The annual Who's Who in Energy list features the region's top 100 executives from multiple sectors invovled in the energy industry, including oil and gas, accounting, finance, law and education. Lange, who joined Mines in 2014, is the director of the Mineral and Energy Economics program. His research focuses on energy, environmental and resource economics.