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Certified Arborists

Meet the Team

JL Tree Service employs 8 salesmen, most are ISA Certified Arborists. The team is extremely loyal, and many 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!

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.

Sean Lewett


Sean Lewett is the general manager of JL Tree Service Inc.  Sean manages all operations, safety procedures, advertising, and personnel.  Sean Lewett is a ISA Certified Arborist, TCIA Certified Safety Professional, and holds B.S. and M.S. degrees from George Mason University.

ISA Certified Arborist Number MA-5018A

CTSP – Certifed Treecare Safety Professional Number 00632

Steve Edwards

Certified Arborist

Steve Edwards is a salesmen and ISA Certified Arborist for JL Tree Service Inc.  Steve has been with the company for over 30 years, and worked in the field for more than 20 years as a foreman/tree climber.  Steve has many repeat customers in Fairfax County and resides in Burke VA.  Steve is an integral asset to our company.

ISA Certified Arborist Number MA-5444A

John Lowe


John Lowe has been with JL Tree Service for over 30 years!  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. John currently does estimates in our primary service area – Arlington, Mclean, and Maryland.

Peter Esseff

Certified Arborist

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

Jeff Flis

Certified Arborist

Jeff Flis has been working with JL Tree Service Inc since 2006.  Jeff is a ISA Certified Arborist, crane operator, and head mechanic.  Jeff carries many responsibilities with the company.  Jeff is recently certified and taking on sales in Manassas and Nokesville.

ISA Certified Arborist Number MA-5498A

John Speener


John Speener is a salesmen at JL Tree Service Inc.  John is a ISA Certified Arborist and has worked for JL Tree Service Inc since 2011.  John has  picked up the arborist profession quickly by learning in the field for 2 years and also from the other long term salesmen in the company.

ISA Certification # MA-5492A

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.  Jose handles Alexandria, Southern Maryland, Woodbridge, Dale City, Lorton, and Washington DC.  Jose is also a big part of leading our safety meetings each Monday morning. He is known for being very positive and always keeping a humorous way about him!

Mike Mayeux

Mike Mayeux

We are sad to say that Mike passed away December 6, 2012.  Mike was a beloved 30+ year employee of the company, and one of the first ISA Certified Arborists (MA-0031) in the Mid-Atlantic Chapter.  Mike was a brother to many of us, loved by his customers, and will forever be missed.

TCIA Accreditation & ISA Certified Arborists

JL Tree Service Inc is proud to be one of the few TCIA Accredited tree care companies in our area.  This is not an easy credential to obtain.  The process is a strenuous one that involved a comprehensive checklist to meet Industry standard procedures including a site visit from TCIA.  Being Accredited assures our customers that we meet industry standards when it comes to tree removal,  tree pruning, safety, business practices, ethics, and overall business processes.

TCIA Accredited Tree Care Company

JL Tree Service Inc has been long time members of the Tree Care Industry Association.

 ISA Certified Arborists

Certified Arborists

Tailgate Safety Program

JL Tree Service Inc holds weekly safety meetings for our employees.  Our CTSP teaches from the TCIA Tailgate Safety Program.  Each week, there is a new topic that is taught, and the meetings are interactive.

Certified Tree Care Safety Professional

Members of professional organizations

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  • Better Business Bureau
  • Certified Arborist
  • International Society of Arboriculture
  • TCIA Voice of Tree Care
  • CTSP - Tree Care Industry Association - Certified Treecare Safety Professional
  • Accredited - Tree Care Industry Association