Barbara J. Arnold joined Penn State’s Energy and Mineral Engineering Department as a professor of practice in mining engineering. Arnold was the founder and president of PrepTech Inc. A registered professional engineer, she served as president of the Society for Mining, Metallurgy and Exploration Inc. (SME) in 2018. She was named a fellow by the society (formerly distinguished member), and was awarded the J.W. Woomer Young Engineer Award and the Percy Nicholls Award. She is the current secretary of the Coal Preparation Society of America serving as their representative to the International Organizing Committee for the International Coal Preparation Congress.