Cassity Tree Service & Nature Care

Meet Our Team

Brian Cassity, Owner & Certified Arborist

Brian received most of his horticultural training at Gateway Technical College. In 1990, he became one of Wisconsin's first Certified Arborists and maintains his certification with 30 credits per 3-year period. He has been an active member of the Gateway Horticulture Advisory Board for over 20 years. Brian has held every officer position in the WAA (Wisconsin Arborist Association) including president in 2005. He is also an ISA Qualified Tree Risk Assessor. 

Kevin Nolan, Certified Arborist & Sales Manager

Kevin is a Certified Arborist and has a degree in Wildlife Ecology and Conservation. He has been with us since 2012. Kevin is the President of the advisory board of the Urban Forestry Program at Gateway Technical College and is on the Seno Woods Advisory Board. He served as secretary to the Wisconsin Nursery and Landscape Association. He is a participant of the citizen bat population monitoring project (BEAM), and an Audubon Society "Trees We Love" program advisor.

Diane, Degreed Horticulturist & Office Manager

Diane has a degree in Horticulture and been with us since 2005.

J.R., Crew Leader

Our crew leader J.R. has been with the company since 1998, having worked himself through the ranks and continued his education through a multitude of conferences and seminars.

Other Crew & Staff

Our employees are career individuals and several are Gateway graduates or in the process, having chosen this industry out of the love and care of nature. All participate in conferences, seminars, and classes to improve their knowledge for the benefit of our clients and their personal development.

Plant Health Care With A Conscience
Cassity Tree Service did a fantastic job. We are very pleased.Karen L.

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