Our journey has been anything but ordinary. Through every step, we've focused on staying true to our values and making space for thoughtful, lasting work.
Meet the team
Sunnyside Arboriculture is made up of dedicated arborists and tree care professionals who share a deep respect for trees and the environments they grow in. Our team brings together hands-on experience, scientific knowledge, and a commitment to industry best practices to deliver thoughtful, responsible tree care.
Ryan Liu
Company Owner, Lead Arborist
Ryan Liu is an ISA Certified Arborist with Tree Risk Assessment Qualification (TRAQ) (ISA# ON-3318A). He holds a Master’s degree in Forestry from the University of Toronto, with a background in forestry management and ecological restoration. Ryan brings a science-based, thoughtful approach to urban tree care, with a strong focus on maintaining tree health, safety, and long-term canopy resilience through industry-standard practices.
Marc Ambeau
Operations Director, Operational Arborist
Marc Ambeau brings over 10 years of experience in arboriculture and is a graduate of Humber College’s Urban Arboriculture program. He possesses extensive arboricultural experience, ensures all pruning is performed in accordance with industry standards, and stays current with evolving arboricultural practices to keep the team aligned with the latest advancements.
Zoe Turner-Debs
Urban Forestry Specialist, Consulting Arborist
Zoe Turner-Debs holds Master of Forestry degree from the University of Toronto, specializing in tree health assessment, diagnosis, and restoration planning. Zoe brings a science-driven approach to supporting long-term tree vitality in urban environments.
Dora Liu
Geospatial Specialist, Consulting Arborist
Dora Liu is a Geospatial Specialist with a Master’s degree in Forestry from the University of Waterloo. She is an ISA-certiflied arborist (ISA# ON-368416A) and specializes in construction planning involving tree protection plans and City permit coordination, providing spatial and regulatory support to ensure compliance and effective tree preservation throughout development projects.
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