KariKari Olsen- Hollander, District Manager  has been with the district since September 2006.  She sees that the vision and mission of the district are met and seeks new opportunities that will benefit the citizens of Columbia County.  When not working she spends time with her two daughters, painting, cooking, baking, traveling near and far, and volunteers in the neighboring Cowlitz County with underserved communities developing leaders and mentoring teenage girls to pursue their dreams.

Malyssa Legg, Assistant District Manager has been with the District since April 2009. Malyssa handles the day to day operations in the office as well as fiscal and grant management. When not working, Malyssa enjoys cooking, baking, reading, watching lots of sports with her husband, and playing with their adorable cats Sharkie and Lou.

Jennifer SJennteinke, Office Assistant Jennifer has been with the District since March 2016. Jennifer keeps the office looking good and keeps us all on task. She has grown up and lived in Columbia County her whole life.  In her spare time she enjoys hiking, baking, knitting, exploring costume/SFX makeup and being adventurous. Please contact Jennifer if you would like to use our meeting room facilities.


Crystalyn Bush, Field Technician/Outreach Coordinator Crystalyn has been with the District since March 2016.  She has been volunteering with the District for several years and is excited to officially become part of the team.  She has a B.S. in Environmental Science from Oregon State University as well as a B.A. in English Literature from Middlebury College.  She enjoys spending time with her family outside, gardening, reading, and fun trips with the kids.  She is looking forward to helping the residents of Columbia County and educating people about things we can all do to protect our natural resources. Contact Crystalyn about our newsletter and other outreach events.

Nathan Herr, Senior ResoNathan Herr 1urce Conservationist Nathan has been with the District since January 2012. He has a BS in Environmental Science and a minor in Fisheries from Oregon State University. He handles the Technical Assistance aspects of the District’s mission as well as being the lead on the ODA water quality program for Columbia County. In his spare time, Nathan enjoys being outdoors with his dogs,  wife, and daughter or out hunting and fishing as much as possible.

Mblanchard_ProfilePicMonica Blanchard, Resource Conservationist Monica joined the District in August 2016 where she works on the Technical Assistance aspects of the District’s mission. She has worked in streams in Alaska, Washington, Oregon, and Utah since graduating from Western Washington University in 2008. She followed her passion for streams to a graduate degree in Watershed Science/Fisheries at Utah State University. When not working in streams she still loves walking along and paddling in them. She also enjoys backpacking, snowboarding, cooking, and traveling near and far with her friends and family.

SeleneSelene Keeney, Resource Conservationist Selene joined District in July 2016. She has a B.S. in Science and a minor in Botany from Portland State University. Prior to joining the Columbia Soil and Water Conservation District, Selene worked as an Ecologist/Project Manager for a private consulting firm. When not working, Selene enjoys spending time with her family, exploring and being on or in Pacific Northwest rivers, streams and lakes.

Don - NRCS

Don Mehlhoff, NRCS District Conservationist has over 31 years with NRCS. He began working for the agency in North Dakota followed by several years in eastern Washington, northern Idaho and now Oregon. He has been a certified crop advisor since 1997 and has been certified as a journeyman conservation planner with Oregon NRCS since 2000. Don and his family have resided in St. Helens since 2000 when he accepted the NRCS position here. “My favorite thing about working for NRCS is the opportunity to work with farmers, ranchers and forest operators. The chance to visit their farms, discuss their operations and their interest in conservation makes the job rewarding. I have typically learned more from them than I have probably provided in return.”

Dee Robinson, NRCS Program Support Tech began working for the Northwest Oregon RC&D Council in 1987, and was converted over to SCS/NRCS in 1989. Over the past 23 years, Dee has served in many different capacities, providing assistance to RC&D and the North Coast Basin NRCS. She and her husband, Vic, live in Forest Grove, where they also own and operate a music store, Vic’s Guitar Cave. They enjoy music, reading, and the love of their life is their Australian Shepherd, Kapo.

Davis  Davis Hernandez-AlvarezNRCS Civil Engineer / Hydrologist began Federal service in 2012 and joined NRCS in 2016.  He has a B.S. in Environmental Sciences with an emphasis on watershed science from Oregon Institute of Technology.  During his studies he worked as an intern for the U.S. Fish and Wildlife Service in the Partners for Fish and Wildlife program, assisting private land owners restore ecological services to riverine landscapes.  To better execute the duties of his position, he earned a M.S. in Water Resources Engineering with a focus on hydrology and river engineering from Oregon State University.  He now assists the Columbia Soil and Water Conservation District repair habitat critical to native salmonids.  He enjoys time with his family, surfing, skating and exploring natural landscapes.

JennyDezso_resized2Jenny DezsoField Restoration Ecologist  joined the Lower Columbia Estuary Partnership in May 2016.  She works with the Columbia Soil and Water Conservation District and local watershed councils to identify, plan and implement restoration projects in habitats important for Pacific salmon recovery.  Prior to joining the Estuary Partnership, Jenny worked as a Project Manager at the Clackamas River Basin Council to develop and implement in-stream habitat restoration projects, as well as lead a 30 steam mile riparian revegetation program. She has also worked for the U.S. Bureau of Land Management and served as an AmeriCorps member at The Nature Conservancy, where she coordinated riparian restoration projects in the Sandy River Basin. She holds a B.A. in Environmental Science and Geography from the University of South Florida.