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We are always looking for qualified individuals to join our team; as an arborist, intern, or office support. If you have a passion for green infrastructure, and you're looking for a flexible work place with a noble mission, please send your resume and letter of interest to careers@treesolutions.net. 

Our currrent job openings are:    (no openings at this time)

Photo of Scott Baker

Scott D. Baker

Scott D. Baker, Principal and Founder, has worked with trees for over 40 years. He has extensive experience with construction, building codes, tree diagnosis, tree houses and zip lines. Scott utilizes his past experience as a successful developer to help bridge the gap between development and trees. He has extensive knowledge of tree biology and has partnered with several international scientists to help implement new tools and techniques in an effort to advance the use of science and technology in arboriculture. Scott is respected as a speaker and educator in tree diagnostics, tree preservation, and tree-supported structures. He is also certified to teach the ISA Tree Risk Assessment Qualification course internationally. He is a Registered Consulting Arborist (#414), Qualified Tree Risk Assessor, and ISA Board Certified Master Arborist. He was recently awarded the 2018 International Society of Arboriculture Honorary Life Member award.

Scott is an avid cyclist and has been a regular participant and supporter of the Tour des Trees - a 500+ mile annual bike ride to raise money for the TREE Fund (Tree Research and Education Endowment Fund) . He enjoys skiing, sailing, and climbing of all kinds.


Photograph of Sean Dugan

Sean Dugan

Sean Dugan, Principal, specializes in tree/people interactions, tree biology and diagnostics, pest control, advanced testing, municipal tree ordinances and landscape evaluations. He has experience working as an expert witness in cases including MUP, SEPA, land use, timber trespass and landscape appraisals. He has over 25 years experience in design and implementation of landscape plans, native plant restoration, and site inspection and evaluation. He holds a Masters Degree in Forest Resources (University of Washington) and a Bachelor of Science in Environmental and Forest Biology with an emphasis in Wildlife Management (State University of New York). He is a Registered Consulting Arborist (#457), a Board Certified Master Arborist (PN-5459B), a Qualified Tree Risk Assessor, and is a Licensed Commercial Applicator in the State of WA (#66733).

Sean is passionate about being a father to his two girls. Other possible Sean sightings: sitting on the porch with his lovely wife or diligently trying to complete his honey do list.


Photograph of Holly Iosso

Holly Iosso

Holly Iosso, Principal, joined Tree Solutions in 2005. She has over twenty years experience in the landscape industry, including landscape design, installation, maintenance and tree protection. She specializes in tree identification, protection, restoration in environmentally critical areas, and design. Holly holds a Bachelor of Science degree in Landscape Architecture with a focus in Landscape Ecology (University of California, Davis),  an Associate of Science degree in Environmental Horticulture (South Seattle College), and a Business Management Certificate (University of WA Foster School of Business). She is a Registered Consulting Arborist #567, Certified Arborist (PN-6298A) and ISA Qualified Tree Risk Assessor.

Holly actively gardens and loves plants of all sizes. She spends her free time digging in the dirt with her two children, playing the guitar, and binge watching Masterpiece Theater.


Photograph of Katherine Taylor

Katherine Taylor

Katherine Taylor, Senior Arborist, has a varied background including environmental consulting, restoration, education, and volunteer coordination. She holds a Bachelor of Fine Art (York University-- Toronto) and an Associate Degree in Restoration Horticulture (Edmonds Community College). She is an ISA Certified Arborist (PN-8022A), ISA Qualified Tree Risk Assessor, and Certified Professional Horticulturist

Out of the office, Katherine can be found leading restoration efforts as a Forest Steward, volunteering with the Women's Tree Climbing Workshop, or maintaining her collection of 60+ indoor plants (not including her office collection)!


Photograph of Haley Galbraith

Haley Galbraith

Haley Galbraith, Arborist Manager and Senior Arborist, graduated from the University of Washington with a B.S. in Environmental Science and Resource Management. She joined the Tree Solutions team in 2011. Her specialties include tree risk assessment, advanced decay testing, evaluation of trees as support structures, climbing inspections, and municipal arboriculture. She has served on the Board of Directors for the Pacific Northwest Chapter of ISA and the Washington Community Forestry Council for DNR. Haley is an ISA Board Certified Master Arborist, Municipal Specialist (PN-7512BM), Qualified Tree Risk Assessor, ASCA member, and WSDA Commercial Operator (#86856).

In true PNW fashion, Haley finds joy being outdoors, whether she's practicing yoga, trail running, skiing, or snapping photos with her 35mm Nikon SLR.

Photograph of Joseph Sutton-Holcomb

Joseph Sutton-Holcomb

Joseph Sutton-Holcomb, Senior Arborist, graduated from the University of Washington in 2013 with a BA in Journalism and minor in Environmental Studies. Shortly thereafter, his life took a 180-degree turn, and he delved deep into the world of horticulture, arboriculture, and all things leafy and verdant. Joe is an ISA Certified Arborist and Municipal Specialist(PN-8397AM), Qualified Tree Risk Assessor, WSNLA Certified Professional Horticulturalist, WSDA Commercial Operator (License #93121), and Plant Amnesty Certified Master Pruner. Previously an account manager for a landscape installation and maintenance company, Joe's hands-on experience designing, installing and managing landscapes provides valuable background for his consulting work at Tree Solutions.

When he isn't studying trees Joseph enjoys writing poetry, volunteering at the Beacon Food Forest, hiking, camping, and overenthusiastically dancing to live music.


Photograph of Tyler Bunton

Tyler Bunton

Tyler Bunton, Arborist, holds a BS in Biology with a minor in Environmental Science (University of Wisconsin - Eau Claire), and a Certificate in Horticulture (South Seattle College). Tyler has participated in the Montana Conservation Corps, and worked for the US Forest Service in Montana. His specialties include tree protection during construction, and native plant identification (both in the Pacific Northwest and beyond!). He is an ISA Certified Arborist (PN-8715A), Qualified Tree Risk Assessor, and a WSDA Commercial Operator (License #98021).

When not working, Tyler enjoys camping, collecting records, and (space-dependent) refurbishing old crosscut saws.


Photograph of Charlie Vogelheim

Charlie Vogelheim

Charlie , Consulting Arborist, holds a MS in Environment and Natural Resources (University of Wyoming) and a BS in Environmental Sciences (University of Notre Dame). With certificates in both Wetland Science and Management (University of Washington) and Ecological Restoration (University of Wyoming), he specializes in natural area and wetland stewardship and restoration. Charlie is passionate about nurturing healthy urban forests that are equitable and accessible to all, including engaging residents with their nearby green spaces. He is an ISA Certified Arborist (PN-9735A).

Outside of work Charlie enjoys urban hiking, cooking for friends, learning new crafts, seeking out swimming holes, and planning multi-modal treks across the region.


Photograph of Connor McDermott

Connor McDermott

Connor, Arborist, has been in the landscape industry for 9 years and specializes in ecosystem restoration and fine pruning. He initially discovered his love for horticulture and pruning working with the "Princess of Pruning" herself-- Cass Turnbull, founder of Plant Amnesty. His years in the field include working as a climbing arborist, as well as with restoration crews throughout the Puget Sound region. He is an ISA Certified Arborist (PN-8704A), Qualified Tree Risk Assessor, and Plant Amnesty Master Pruner.

In his free time Connor enjoys backpacking, biking and cooking with good friends.


Photograph of George White

George White

George graduated from the University of Oregon in 2016 with a BS in Environmental Life Sciences with a minor in Biology and Outdoor Education. George has worked in native plant restoration as a botany steward with the Army Corps of Engineers and as a climbing arborist throughout the Seattle area. He is an ISA Certified Arborist (PN-8908A) and a Qualified Tree Risk Assessor.

When not being a professional tree-geek, George can be found hiking, climbing or backcountry skiing in the Cascades, or skateboarding at Judkins park.


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Arin Lewis

Arin is a transplant from the east coast. He has a background in municipal urban forestry, GIS mapping, outdoor education and guiding. He is passionate about cultivating a healthy urban forest and educating people about the value of nature-- everyday, everywhere. He holds a BS in Geography  (Pennsylvania State University) and is an ISA Certified Arborist PN-9396A .

Arin's interests outside of work include climbing, skiing, and biking through the cascade mountains. You might also catch him botanizing around Seattle, seeking out visual arts, or enjoying live music.


Photograph of Dorothy Chung

Dorothy Chung

Dorothy, Operations Manager, graduated in 2013 with a BA in Communications (Gonzaga University). While she is a native of the Pacific Northwest, her varied work experience has taken her many places, most recently to Japan as an English teacher. She is an avid linguist: fluent in both Korean and English and semi-fluent in Japanese and Spanish. She has worked with, and taught, students of all ages including adults. 

Dorothy's interests also include video production and audio (podcasts); she is currently curating 3 new hobbies: calligraphy, self-defense and French.


Photograph of JT

Jessi Detert

Jessi manages the administrative side for all our construction and development projects, including proposal writing, estimating, scheduling and collaboration. Jessi has worked professionally, as well as in a volunteer capacity, for various non-profit organizations for over 30 years. She believes in investing her time in organizations with a good mission!

She is a nationally certified ACE Group Exercise Instructor and Cycle Instructor, and always carves out time to get on a bike. She is an avid hiker, traveler, and general outdoor enthusiast. What she enjoys most is sharing those adventures with her husband and two children.


Photograph of Shannon O'Bent

Shannon O'Bent

Shannon O'Bent, Business Coordinator, is a transplant from New York City, where she lived and worked for 10 years as a theatrical stage manager. She provides Tree Solutions with an invaluable perspective through her training outside of arboriculture, and applies her organizational skills to help streamline the company's communications, workflow and quality control. She is also an ISA Certified Arborist  (PN-8468A).

Outside of the office, Shannon spends time singing with various jazz, pop and choral groups, with a special fondness for the band she started with her husband PepperJill and Jack. She also enjoys cooking, attacking weeds in the garden, and being mom to the cutest little boy ever.


Photograph of Julia Bacharach

Julia Bacharach

Julia Bacharach (CFO and HR manager) has been "counting the beans" for Tree Solutions since 2013. A Seattle native, she holds boh an undergraduate degree in Math (University of Pennsylvania) as well as an MBA (University of Washington). Besides numbers and spreadsheets, she swims, hikes and enjoys quality family time.