
Aaron Schmitz
Tree company owner and creator
SchmiTREEz Service LLC, Iowa, USA
Read Aaron's profile →ArboStar Ambassador · Victoria, Australia
Arborist, trainer and assessor, Tree Focus Arboriculture
Ollie is in his 22nd year as an arborist. He runs Tree Focus Arboriculture in Victoria, Australia, and works on large tree retention, tree support, training and assessment.
About Ollie
Ollie is originally from the UK and spent his early career around Wiltshire and the south west of England. He moved to Australia in 2015 and has worked both for others and for himself.
Today he does specialist arboricultural work in large tree retention and tree support, and trains and assesses other arborists. In 2026 he won the Arboriculture Australia award for education and training.
He sits on the committee of the Victorian Tree Industry Organisation, speaks at industry events and competes at a high level in climbing competitions in Australia and in the ISA Asia Pacific chapter.
With Tree Focus Arboriculture he is building a client list across consultancy, contracting and education, and he is new to ArboStar.
At a glance
Find Ollie
@tree_climber_ollie on Instagram (7,000 followers) ↗ (opens in a new tab)Tree Focus Arboriculture on Facebook ↗ (opens in a new tab)treefocusarboriculture.com.au ↗ (opens in a new tab)
Being new to ArboStar, it's important to me to bring all of the diversity that my company Tree Focus Arboriculture is able to provide. Being organised is key to the success of the company moving forward, and ArboStar already seems like the right fit!

Meet the others

Tree company owner and creator
SchmiTREEz Service LLC, Iowa, USA
Read Aaron's profile →
Tree company owner and contract climber
Sunny's Tree Service, California, USA
Read Odon's profile →
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Visual Climber, Bedfordshire, UK
Read Simeon's profile →
Arborist, LOLER Thorough Examiner and educator
Nathan the Arborist, UK
Read Nathan's profile →Ambassadors run their tree company on ArboStar free for the first year, then earn up to US$2,000 per referral.