Staff Qualifications

Marc D. Barnes
Senior Project Manager, Owner

Marc has over twenty years of experience in forestry. His knowledge of natural resource management is diverse and extensive – stemming from his experience as a logger in Eastern Canada, and through the positions he has held in academia, industry, and private consulting firms. Combined with his high level of education from accredited institutions, this experience allows Marc to participate with the utmost confidence on any project relating to natural resource management, including: forest inventory, timber cruising, silvicultural prescriptions, harvest system analysis, timber sale layout design, watershed analysis, and vegetation inventory and mapping. He is a registered professional forester in the state of California, a Certified Forester through the Society of American Foresters, and a member of the Forest Guild. Mr. Barnes is president, owner, and founder of Integrated Resource Management, employing experts in the fields of forestry, forest engineering, silviculture, habitat restoration and ecology since 1994.   Email Marc.

Matthew Mellenthin
Habitat Restoration Coordinator/Project Manager

After graduating from the University of Wisconsin Stevens Point in 2004 with a B.S. in Natural Resource Management and a B.A. in Social Science, Matt was hired as a forest inventory technician with Integrated Resource Management.  He has since transitioned into the role of Habitat Restoration Coordinator for the firm, where he manages the restoration department.Matt has been on the front lines in the battle against invasive species and implementing habitat restoration projects for the last 14 years.  He has dedicated his life to the preservation of native habitats and mentoring the next generation of environmental leaders.  He has partnered with various agencies, landowners, municipalities, non-profits and utilities to develop effective and innovative management techniques for restoring native habitats. In addition to managing the habitat restoration program at Integrated Resource Management Matt is a member of both the Board of Directors for the Calapooia Watershed Council and the Steering Committee for the Western Invasives Network.  His most important job however, is being the father of two daughters.  Email Matt.

Bill Roach
Senior Project Manager/Timber Appraiser

Bill joined the IRM team as a Senior Project Manager and Appraiser in February 2018.  Bill graduated from Oregon State University in 1987 with a Bachelor of Science in Forest Management and furthered his appraisal education in 1993 with forest appraisal curriculum from Duke University School of the Environment.  He has held positions with the Mt Hood National Forest, small logging companies, and most recently with Jackson & Prochnau.Bill’s knowledge of the various sectors of the forest industry includes logging supervision; timber appraisals, forest management and private landowner relations. He has become an asset to the IRM team through his work on projects including timber appraisals for small woodland owners and private timber companies within western Oregon; Right of way easement development; and more recently as an expert witness for a timber lawsuit in the Blue River area. Email Bill.

 

Kathy Dunn
Office Manager/Bookkeeper

Kathy has been with Integrated Resource Management as the lead Office Manager/Bookkeeper since 2003. She comes from a natural resources background which has significantly enhanced her work quality and understanding of projects at IRM.Kathy graduated from Oregon State University in 2003 with a Bachelor of Science in General Agriculture with an emphasis in Education. She is currently in charge of bookkeeping, office management, supporting project managers, and also successfully carries out project manager duties for several large scale inventory projects throughout Oregon.  Email Kathy.

 

 

Joseph Dubeau
Project Manager

Joe began working in the natural resource and land management field in 2016 and has been with IRM since 2022. Prior to joining the IRM team, Joe worked in a range of forest types stretching from Southeast Alaska to the Sierra Nevada. This experience working in various forest types and professional environments, accompanied with a Bachelor of Science degree in Forestry and Natural Resources with a concentration in Geographical Information Systems from Cal Poly San Luis Obispo, has allowed Joe to excel as a project manager helping landowners, private organizations, and government entities achieve their desired management objectives. Whether it is overseeing silvicultural treatments, writing management plans, or analyzing geospatial data, Joe’s passion for forestry and land management is always apparent through his work. Email Joe

 

Drew Johnson
Habitat Restoration Technician

Drew has two years experience in forest restoration including work with Umpqua Vaelly Forestry as a Timber Marker and Skordahl Reforestation as a general forestry laborer.  He as worked in wetland communities as well removing invasive plants and and planting/seeding and revegetating natural areas.  He has also been a Wildland Firefighter for Oregon Woods Inc.  At IRM Drew is a Habitat Restoration Technician and has worked on several projects to restore streams, wetlands, forests and prairies.  Drew has completed post secondary coursework in Wildland Fire Science at Center Oregon Community College in Bend, Oregon.

 

 

Jacob Klevgaard
Habitat Restoration Project Manager

Jacob has been working with IRM since 2022 and has been a project manager for the past two years. As a project manager he has led crews targeting invasives in riparian areas along the willamette and Clackamas rivers as well as prairies, highland desert and forests. He has also led planting and seeding projects across the willamette valley. He has volunteered the past two years for salmon watch and has a deep love for fish conservation, foraging, and outdoor recreation.