Justin Henley
Owner & CEO of TreeGeeks Southern LLC. Board Certified Master Arborist with 18+ years serving the Texas Gulf Coast.
Board Certified Master Arborist
Justin Henley
Owner & CEO — TreeGeeks Southern LLC
"There is a profound difference between keeping trees alive and truly supporting their living systems."
Justin Henley holds the ISA's highest professional credential — Board Certified Master Arborist — and brings over 18 years of hands-on experience in arboriculture to every consultation. His approach emphasizes science-based tree care that addresses the complete picture: soil biology, root function, structural integrity, and long-term resilience.
As both the owner and lead arborist at TreeGeeks Southern, Justin is personally involved in every assessment. He serves residential and commercial clients across Galveston County and the Greater Houston area, offering honest, direct guidance rooted in ISA best practices.
Core Values
Science First
Every recommendation is grounded in arboricultural science — tree biology, soil function, structural mechanics, and ISA best practices. We don't guess; we assess, diagnose, and prescribe.
Preservation Over Removal
We prioritize proactive care, structural support, and health management. Tree removal is always a last resort. If a tree can be saved safely and sustainably, we'll find the way.
Honest Guidance
Straightforward, unbiased advice without upsells. We offer free consultations because we believe you deserve to understand your trees before committing to any service.
Our Mission
At Tree Geeks Southern LLC, our mission is to promote the vitality, safety, and longevity of trees in urban and rural landscapes by prioritizing science-based, biology-driven care. We recognize that tree health is shaped by both aboveground and belowground development as well as species-specific needs. Our team addresses the challenges of modern tree care—including inadequate site conditions, inappropriate plant selection, mechanical injuries, and environmental stresses—through knowledgeable assessment, skilled interventions, and professional maintenance practices. By preserving and restoring trees from an early stage and supporting continual training, we strive to ensure that the trees under our care remain vibrant, resilient, and safe for current and future generations.
Ready to Talk About Your Trees?
Free consultations available — no pressure, no obligation.