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About Us

mark

Mark Lyon is Green Thumb’s owner and operator, and also it’s chief landscaper. His career literally began at age 14 when his parents purchased several acres and built a home. Mark’s first trip to the nursery brought love at first site. He’s kept his fingers in dirt ever since.

Mark, a veteran graphic artist, uses his creativity to design, plan and execute original landscape designs. Mark is an attentive listener and absorbs feedback from clients and brings it together with a creative instinct to produce his designs.

Mark has spent years studying both chemical and organic principles of landscaping and applies the best of what he’s learned to each of his landscapes.

dawn

Dawn Lyon has been working by Mark’s side since the beginning. Together their family-owned business works to make sure the customer is happy from beginning to end.

She handles the business behind the scenes, with an occasional visit to the job site. Dawn works from fielding customer inquiries, estimating jobs, purchasing materials and supplies, scheduling crews, accounts receivable and payable, employee relations and payroll to being a wife and mother to 4 teenagers.

JorgeGomez

Jorge Gomez came to Green Thumb in 2012, shortly after his graduation from Lewisville High School. Jorge possesses natural talent and ability in the landscaping field and his career has taken off because of those talents as well as excellent work ethic. Jorge’s expertise is in lawn care and maintenance and also landscape/hardscape construction. He is a proven problem solver and customers enjoy his warm personality. Jorge is the brother of Cesar, one of our other foremen.

BrandonLyon

Brandon Lyon has had his hands in Green Thumb since it began in 2003. He’s followed his dad’s footsteps in many ways and has learned well. Brandon is in charge of lawn maintenance and landscape maintenance for a long list of our customers. Brandon makes it a point to know his lawns intimately and responds to their ongoing needs. Brandon also is well trained in chemical lawn maintenance having spent several years in that role. Brandon also attends classes part time in pursuit of a degree in landscape architecture.

TrevorJacobus

Trevor Jacobus, Mark’s nephew, is a junior at the University of Texas in Austin and serves as a part time associate for Green Thumb. Trevor began working with Green Thumb in the spring of 2014 and has been involved with chemical maintenance applications in the Austin area. Trevor is a health science major at UT.

Cesar Atempa has been with Green Thumb for almost a decade. He is our senior foreman and is responsible for most large projects that Green Thumb takes on. Cesar is versatile and detail-oriented, so his installations and ongoing clientele are always in good hands. Cesar has years of experience in both landscaping, masonry and tree care. He’s an MVP for Green Thumb.

DarrellMcPhaul

Darrell McPhaul handles operations in the Austin area for Green Thumb. Darrell joined Green Thumb in 2013. Darrell is a native Austinite, having grown up in Central Austin near Anderson High. Darrell’s father was a general contractor so Darrell grew up in the business, so to speak. His heightened sense of attention to detail helps set Darrell apart. Darrell is in charge of handling projects in the Austin area and also directly handles the chemical lawn maintenance side.