Ackerman-Estvold Engineering and Management Consulting Inc. has hired Abbi Dorn as project manager. Dorn's expertise lies in the area of water resources. She earned a bachelor of science degree in biological systems engineering in 2002 from the University of Nebraska-Lincoln. She is also a sediment and erosion control Level II certified design professional. Dorn previously worked for Michael Baker Jr. Inc. in Atlanta as the regional service center's program manager for the FEMA floodplain mapping programs in the state of Alabama.