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Sebastian Jennings

St. Louis Branch Manager

Certifications: ISA Certified Arborist, Tree Risk Assessment Qualified, Certified Tree Care Safety Specialist

Sebastian Jennings is a branch manager at RYAN Lawn & Tree who leads his team in helping customers create beautiful landscapes in the St. Louis, MO area. 


Sebastian has more than 10 years of experience as an arborist and in lawn care.  Whether working with customers who love learning about their landscape or helping a homeowner create an outdoor escape to enjoy with their family, Sebastian will do what is necessary to help every customer have a Ryan signature lawn and landscape.