Peggy O'Neill, PWS, is a senior botanist and wetland scientist at Jacobs Engineering (formerly CH2M HILL) with over 23 years of experience working on projects throughout the Pacific Northwest, the desert southwest, and even a bit in the northeastern U.S. As a senior technical consultant, she leads teams of wetland scientists and botanists on various public and private projects. She holds a master's degree from Portland State University in Environmental Resources and Management where her area of focus was botany and plant ecology. She is a member of the Society of Wetland Scientists and is a certified Professional Wetland Scientist with that organization. She has conducted and lead wetland delineation and botanical surveys, including rare plant and noxious weed surveys, throughout the Pacific Northwest, California, and the desert southwest, for road and bridge construction projects, wastewater and drinking water treatment facilities, pipeline projects, and renewable energy projects including solar and wind power projects. She developed the protocol for identifying the rare remnant Palouse Prairie grassland habitat in southeastern Washington while working on a wind power project in that region.