Certified Arborists

Meet the Team

Below are pictures of our president, John Lewett, Sean Lewett, salesmen and managers.  Some are ISA Certified Arborists. The team is extremely loyal, and some have been with the company for over 30 years. Many will testify that JL Tree Service Inc has a wonderful corporate culture since its family owned and operated. Since it is a family business, and many who have been part of the family for so long, its a great place to work!

Headshot for John Lewett

John Lewett


John Lewett is the president of JL Tree Service Inc. He started the company in 1975 with a truck, chipper, chainsaw, and a few friends! Today, the company employs over 70 people, and is one of the largest residential, commercial, and gov’t provider of tree services in the D.C. Metropolitan area.  JL lives in Fairfax VA with his family.

Headshot for Sean Lewett

Sean Lewett


Sean Lewett is a salesman for JL Tree Service Inc.  Sean Lewett is a ISA Certified Arborist, TCIA Certified Safety Professional, and alumni from George Mason University.

ISA Certified Arborist Number MA-5018A
CTSP – Certifed Treecare Safety Professional Number 00632

Headshot for John Lowe

John Lowe


John Lowe has been with JL Tree Service since 1981!  John has performed many functions throughout all those years such as tree climber, foreman, general manager, and salesman.  John is as loyal and trustworthy as they come. He is such a valuable employee and always makes himself available for any task at the company.

Headshot for Ronnie Graves

Ronnie Graves


Ronnie has been with JL Tree Service since 1979! Ronnie has had many positions with our company over the years, and currently works as manager overseeing daily operations and scheduling most all of the work for our customers.

Headshot for Peter Esseff

Peter Esseff


Pete is a salesmen and ISA Certified Arborist for JL Tree Service Inc.  He is a Certified Arborist and Maryland Licensed Tree Expert.  Pete has worked for a handful of top tree companies and has years of experience.

ISA Certified Arborist Number MA-5258A
Maryland Licensed Tree Expert – #1736

Headshot for Bill Todhunter

Bill Todhunter


Bill is a salesman, ISA Certified Arborist, and holds a degree from George Mason University. Bill is knowledgeable about trees, a close family friend, and we are grateful to have Bill out there in the field representing our company.
ISA Certified Arborist MA-6081A.

Headshot for Jose Alvarado

Jose Alvarado


Jose Alvarado has worked for JL Tree Service Inc since 1999.  Jose has worked his way from a tree climber, then tree crew foreman into becoming a salesmen and safety manager.  Jose is our CTSP - certified tree care safety professional and leads our safety meetings. He is known for being very positive and always keeping a humorous way about him!

Headshot for Nicholas Shively

Nicholas Shively


Nick is a ISA Certified Arborist (MA-5872A), certified tree risk assessor, college graduate, and has worked for some great organizations in the past. We are extremely pleased to have Nick representing our company in Arlington, Alexandria, and Washington DC. Nick brings much knowledge and experience such as tree biology, disease/diagnosis, plant health care, tree worker safety, and much more.

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