Carol Mallory-Smith is a professor of weed science in the Department of Crop and Soil Science of Oregon State University. She earned her BS in plant protection and her PhD in plant science from the University of Idaho. Her main research interests are gene flow and hybridization between crops and weeds (including genetically engineered and conventionally bred), herbicide resistance, weed management in agronomic crops, and weed biology. She is the author or coauthor of more than 120 journal articles, eight book chapters, and numerous extension and popular-press articles. Dr. Mallory-Smith visited Australia and Korea as an invited expert on gene flow and other weed issues. She has been an invited speaker in Australia, France, Korea, and Thailand to address the potential risks and benefits of introducing genetically engineered crops. Dr. Mallory-Smith served as a Fulbright Scholar lecturer in Argentina. She is a fellow of the Western Society of Weed Science and the Weed Science Society of America and served as president and treasurer of the Weed Science Society of America and secretary–treasurer of the International Weed Science Society. Dr. Mallory-Smith awards include the Alumni Achievement Award from the University of Idaho’s College of Agriculture in 2007, the Excellence in Graduate Mentoring Award from Oregon State University in 2009, the Western Society of Weed Science Outstanding Weed Scientist in 2009, the Distinguished Service Award for Individual Contribution to the Agricultural Industry by the Oregon Department of Agriculture in 2014, and the Weed Science Society of America Outstanding Researcher Award in 2016.