Meet Our
Tree133 Team
Tree133 Professional Arborists
At Tree133, every field arborist is ISA certified. Our team is focused on science and safety. Their skills include climbing, tree preservation/pruning, technical removals and disease treatment. Our arborists live locally in Seattle and Shoreline and love our urban forest! We want to preserve and protect our trees for future generations to enjoy.
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Company Owner &
ISA Board Certified
Master Arborist
As a Board Certified Master Arborist, ISA Qualified Tree Risk Assessor, industry speaker and writer, and safety trainer, Craig is passionate about tree care. He is dedicated to elevating the profession of arboriculture and building the most trusted and capable arborist firm in the Seattle area.
Certified Arborist &
Field Supervisor
A highly skilled arborist and climber, Karsten is a Marine Corps veteran and a native of Indiana. He is a Certified Arborist and ISA Qualified Tree Risk Assessor. Karsten is also a very accomplished mountaineer. His proven technical expertise and leadership abilities are great assets to our team.
Arborist Consultant
With more than 15 years of professional experience, Carter is a highly skilled arborist with a passion for trees. He is a Certified Arborist, and ISA Qualified Tree Risk Assessor and studies Natural Resource Management at Colorado State University. Carter is also an accomplished outdoorsman who enjoys whitewater rafting.
Certified Arborist
As a Certified Arborist with a formal education in Forest and Natural Resource Management, Grace has an extensive understanding of the science of arboriculture. She loves having a tangible impact on the life of each tree she touches, the urban ecosystem and the people whose lives are enriched by these trees.
Certified Arborist
With a degree in Urban Planning and Sustainable Development, Landon brings knowledge and a passion for urban forestry to our team. As a native of the PNW, experienced climber and ISA Qualified Tree Risk Assessor, Landon loves both the science and art of tree care. He is also a talented skateboarder.
Certified Arborist
A Certified Arborist with a degree in biology, Ellis loves the technical aspects of climbing and tree preservation. He is passionate about learning and sharing knowledge with our clients and with each member of our team. He is also an ISA Qualified Tree Risk Assessor.
Certified Arborist
With a background in outdoor education and wild land firefighting, David has years of experience working with trees. He is an Eagle Scout and rock climber with a passion for all things outdoors.
Certified Arborist
Growing up in Seattle, Zack has witnessed the rapid changes in our city. As a Certified Arborist and Qualified Tree Risk Assessor, Zack is passionate about preserving trees and helping clients recognize the value of trees for their property and our community. Zack is also an avid woodworker, a surfer and coached youth sports for many years.
Co-Owner &
Business Manager
Joanna Bachmann
Having supported the family business for several years, Joanna officially joined Tree133 in 2020. She wears many hats (or helmets) so you may hear from her in the office, meet her on a project or see her around town at community events.
Project Administrator
Lilly
A Seattle Area native, Lilly brings local knowledge to her role as Project Administrator. She keeps us organized and your tree care projects moving forward. Lilly enjoys trivia nights, catching films at the SIFF and hanging out with her rescue cat who was adopted from PAWS.
Project Administrator
Trea
With her outstanding organization and great communication, Trea helps keep your project on track. She is an essential member of our Tree133 team. Trea enjoys spending time with her two cats and extended family. With also think her name is perfect for work in arboriculture!
Shop Dogs
Jack Dog & Charlie Girl
Chilling at the shop, riding in the truck, or snoozing in the office, these pups bring enthusiasm and joy to every activity. Jack Dog is a rescue from Texas who came to us via Seattle Humane Society. Charlie Girl was taken in by the Seattle Animal Shelter and fostered before joining our pack.