obbie Gries was the first woman to graduate from Colorado State University with a degree in geology and later became the AAPG’s first female president in 2001. In 2012, she was the first woman to be awarded the Michel Halbouty Award for Outstanding Leadership. Gries is the author of Anomalies: Pioneering Women in Petroleum Geology 1917 – 2017. With a career spanning almost 50 years in the oil and gas industry as a petroleum geologist, she worked for large and small companies, before forming her own company, and is president of Priority Oil & Gas, LLC. Originally from Texas, Gries now resides in Colorado.