About Us

Our Purpose:

Pursuing GREAT experiences through our love of trees.

The core behaviors of our people:

  • A Desire for growth in our calling
  • Thoughtful and caring
  • Being of service
  • Fun loving – laughing at ourselves

Caring for the urban forest is our mission — we seek to always improve our environment. Even when managing an epidemic such as Emerald Ash Borer, we diligently look for safe, effective, and organic solutions.

Get in touch with us and we’ll send out a certified arborist to inspect your trees and make recommendations that make sense for the health of you and your property.


We are tree people, but we’re also people. From our first contact, consultation, and estimate to our comprehensive services, Taddiken Tree Company certified arborists bring a friendly and helpful attitude with excellent customer service. We’ll get to know you and your trees, so that giving your trees and plants the best care will also fit your priorities.

We take a holistic approach to tree care, whether the tree is a fruit tree, an ornamental feature, a stand-alone specimen, or part of a forest. From the soil under your toes to the air around your hair trees need us to remember and respect their natural habitat. So, for more than a decade, Taddiken Tree Company has led trees in the right direction, helping them grow strong to endure the harsh winds and storms we experience in Boulder, Denver, and along Colorado’s Front Range.

Professional Affiliations

Taddiken Tree Company is committed to the continuous advancement of tree care safety, science, industry innovation, professionalism, and public education.


  • International Society of Arboriculture (ISA)

    Currently we staff five ISA Certified Arborists and one ISA Board Certified Master Arborist. We encourage and sponsor all of our employees to obtain and maintain these credentials.

  • Tree Care Industry Association

    We are a TCIA Accredited company. Accreditation is a rigorous audit process that ensures companies meet or exceed industry standards including, Safety, Training, Customer Service, Ethics, Financials, Insurance and Regulatory Compliance. We have been accredited since 2007 and just completed the re-accreditation audit again in 2016.
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Team Bios

Aaron Taddiken
Founder - Owner
Aaron started in arboriculture (the study of trees) as a young man who daydreamed about climbing trees for a living. He followed that passion through mastery of his climbing skills, into furniture making and back into the urban forest.
Aaron has created two software programs for managing various aspects of the urban forest and its trees.
He created TreeHub after wanting a way to visualize and track many redundant processes in the operation of the business. We use TreeHub to manage many parts of the business from mapping client trees on their properties to creating proposals, schedules and invoices.
The most recent application is a tool designed to help urban mills manage their lumber inventories and track the stories from source tree to finished products.
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Josh Morin
President - Owner
ISA Board Certified Master Arborist #MA-4257-B
Certified Treecare Safety Professional #733
CDA Qualified Supervisor #28508
BS Forestry, Virginia Tech

Josh has been into trees his whole life. One of his earliest memories is getting caught climbing to the top of a 60' Douglas Fir tree in his backyard when he was 3. His Dad promptly pruned off the low limbs. Prior to becoming a professional Arborist, Josh served in Nepal as a Peace Corps volunteer, working in the field of soil conservation and forestry. He brings over 20 years of experience climbing, diagnosing and caring for trees. Josh loves to share his interest in trees with his local community as well as with his wife, daughter and son.

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Kyle Cutshall
Sales & Plant Health Care Manager - Client Arborist
ISA Certified Arborist #RM-7587A
Certified Treecare Safety Professional #1159
ISA Tree Risk Assessment Qualified


Kyle began climbing trees at the age of 5 on the family farm in Maine. His passion for nature and trees became deeply embedded in his DNA from those early experiences. After finishing college in Arizona, Kyle worked in the Adventure Education field as a backcountry skiing and mountaineering guide. Once he discovered the field of Arboriculture though, there was no turning back. These days you'll always find Kyle among the trees, whether it's discussing tree management plans with clients, mountain biking through wooded trails, or backcountry skiing in our local national forests. Kyle has been with Taddiken Tree Company for 10 years.

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Adam Witte
Client Arborist

ISA Certified Arborist IN-3445A ISA Tree Risk Assessment Qualified Certified Tree Care Safety Professional #02780 MS in Entomology from Purdue University

In early 2015, Adam moved from Indiana where he specialized in emerald ash borer management. He helped organize and participated in statewide extension and outreach programs designed to help bring awareness to invasive pests of trees and shrubs. Adam has been with Taddiken for over 4 years and brings his knowledge and experience of managing pests to our plant health care programs. He’s been known to get excited when he encounters an interesting insect and can’t help but share a factoid or two. An avid sports fan, you can find Adam on the golf course, in a bowling alley, or playing volleyball when he’s not helping assist customers with their tree care needs.

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Stuart Barker
Client Arborist

ISA Certified Arborist #RM-8130A
CDA Qualified Supervisor #34986
Certified Tree Care Safety Professional #3414
BSB Biology
MS Biology, Georgia Southern University

Stuart’s love of trees started from a young age as he learned to plant, manage and harvest pine trees on his families’ timber farm in southeast Georgia. While pursuing his degrees in biology he concentrated on environmental sustainability and a research focus in plant and soil science. He has a passion for plant health care and takes great pride in caring for trees. Stuart loves our national forests, exploring them by backpacking in the summer and skiing in the winter.

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Robert Bertanzetti
Arborist Crew Leader
ISA Certified Arborist #RM-7941A

Certified Tree Care Safety Professional #987


Hailing from the east coast Robert has had a passion for the outdoors since a young age. He has worked at Taddiken for 4 years as a crew lead and has 10 years experience in the tree care industry. When he’s not working with trees you can find him exploring the mountains with his dog or snowboarding in the winter.
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Brian Steffy
Arborist Crew Leader
ISA Certified Arborist #PD-1853A
Certified Tree Care Safety Professional#983
BS Forest Management - Penn State University

A Climbing Arborist and ISA Certified Arborist, Brian learned the trade working as a climber and foreman in Pennsylvania before heading west to Colorado. With more than 10 years of experience in the tree care industry and a true passion for his work, Brian is one of our most experienced climbers.

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Adam Prue
Arborist Crew Leader
ISA Certified Arborist #RM-8052A
BS in Natural Resource Management
Certified Tree Care Safety Professional #2767

Adam worked for the City of Boulder as a Forestry Technician for 2 years before joining the Taddiken team. Adam leads his crew each day with a focus on quality and safety.

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Luke Hoefle
Arborist Crew Leader
ISA Certified Arborist #RM-8112A
CDA Qualified Supervisor #2751

With over 10 years of wildland fire mitigation experience and an amazing work ethic, Luke is a welcome addition to our growing team. Our strongest team member, Luke can lift entire trees over his head – safely and with minimum debris.

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Rachel Martinez
Tree Operations - Office Manager
Rachel is the organized hub of our little world with a passion for pineapples, puppies, and productivity. She has a fantastic sense of humor and can stay on task with a smile!
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Nora Allums
Bookkeeper - Client Support

Certified Tree Care Safety Professional #2782

Nora rounds out our office by supporting the Taddiken team as well as being the first friendly face you see when you walk in. She keeps everyone laughing and on their toes with her quick wit and humor.

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Evan Bowman
Plant Health Care Coordinator & Technician

BS Horticulture

From Bangor, Maine. Evan has a passion for trees and the environment. Working in the PHC Department, Evan enjoys being on the front lines against Emerald Ash Borer. When not at work, you can find him in the mountains enjoying all of the wonderful trees Colorado has to offer.
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Mitch Novitsky
Climbing Arborist
Mitch enjoys climbing trees, snowboarding, roller blading. He was raised in Michigan where his mom and younger still live. He is a great climber with a passion for trees and always improving his skills and knowledge.
Jeremiah Ducic
Climbing Arborist
Working the ground is a key position in the tree care industry, and Jeremiah approaches every day with a steady attitude and a desire to learn.
Steve Dooley
Climbing Arborist
bio coming soon...
Matthew Brady
Plant Health Care Technician

BS Music, Fort Lewis College

Matt is a Colorado native who grew up living all along the front range. He has a bachelor's degree in music from Fort Lewis College in Durango, CO. As part of his liberal arts education, Matt has studied a wide variety of subjects such as astronomy, ecology, physics and chemistry. Working for Taddiken has given Matt an opportunity to further develop his knowledge of tree and pest biology. When he is not at work, you can find him on his hobby farm, playing music, and sharing his many interests with his wife and three young children.

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Dan Dyer
Climbing Arborist
bio coming soon...
Mark Ahlijanian
Climbing Arborist Trainee
bio coming soon...
Cameron Mickelson
Climbing Arborist Trainee

His name is Cameron Mickelson!

Born and raised in Seattle, Cameron is building a new home in lovely Boulder. He spends most of his free time in the outdoors, in mountains and forests - writing and playing music which are all very centering and therapeutic activities for him.

Perla Alvarez
Intern - Admin Assistant
bio coming soon...