Rabe Consulting

Striving for a sustainable community through educational, economic and environmental improvement


Drawing from multiple disciplines, Rabe Consulting can provide complete, well-rounded environmental services. Rabe Consulting has a wide range of biologists on staff, as well as contract employees in the areas of biology, geology, archaeology, graphic design, and GIS mapping.

Andréa Rabe PWS holds an M.S. degree in Botany from Washington State University and a B.S. degree in genetics and anthropology from the University of California Davis. Andréa serves as our senior environmental consultant and provides project management for all projects. She is a Professional Wetland Scientist and member of the Society for Wetland Scientists.

She is in charge of NEPA compliance, wetland mitigation implementation and monitoring, restoration projects and environmental permitting. Andréa is proficient in plant identification, wetland restoration and knowledgeable of environmental regulations and the permitting process.

Trisha Roninger graduated from University of California, Davis in 1998 with a Bachelor’s of Science in Wildlife, Fisheries, and Conservation Biology with an emphasis in Wildlife Biology. After graduation, she worked for 5 years for the Bureau of Land Management in Klamath Falls, Oregon as a wildlife technician. She then worked for the Fremont-Winema National Forest for 4 years as a wildlife biologist. Then, she worked in Klamath Falls for U.S. Fish and Wildlife Service for 6 years as a fish and wildlife biologist working specifically with federally threatened and endangered species.

She now works for Rabe consulting as a Senior Environmental Consultant. Trisha has a wide variety of experience surveying for birds, mammals, and fish.

Kasie Duren holds an AGS in general studies and is working toward a BS in Information Technology Accounting from Oregon Institute of Technology. She is responsible for fiscal management of projects and contract compliance.

Ruth Olsen graduated from Arizona State University in 1994 with a Bachelor’s of Science in Environmental Resource Management with an emphasis in Range Ecology and a minor in Zoology. Ruth held a variety of positions with the U.S. Fish and Wildlife Service in Arcata and Carlsbad, California and Klamath Falls, Oregon, and also worked as a biological technician for California Fish and Game and the Utah Division of Wildlife Resources. Ruth worked as a biological science technician for the National Park Service at Chiricahua National Monument and Fort Bowie NHS, focusing on Inventory and Monitoring efforts for plants and wildlife, protocol surveys for Mexican Spotted Owls, operation of a Class I Air Quality station, and fire ecology and management.

Ruth has a wide variety of experience surveying for birds, fish, mammals and herpetofauna, as well as stream and habitat surveys for restoration. Ruth is skilled in using various computer programs and GIS mapping, as well as GPS technologies.