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Tree cut, yard clean, great job. Crew was very polite and very hard workers. Will be more than glad to recommend them, real professionals. ” - Judy B.

Office Staff

The office staff is the backbone of our organization!  They are the group that keeps us all organized and properly communicating to offer great customer service.

Billy  Schlee

Billy Schlee

Soil Health Specialist/Head Soil Microscopist/Arborist

  • ECI Certified Soil Foodweb Consultant

Billy is a former student athlete at Jacksonville University where he received a BA in Communications. He then continued his education obtaining a BS, while minoring in Organic and Sustainable Agriculture at Maharishi University. Afterwards Billy studied directly with Microbiologist Dr. Elaine Ingham at the ECI Research Institute in California researching the impacts of soil microbiology and the Soil Food web on vegetable garden test plots compared to old growth forests. The past few years Billy has taught and consulted with the NRCS, businesses, landowners, and farmers on building the highest quality soils using principles of Biology.

  • God and Family
  • Operate a MicroBio-fertilized Hydroponic Greenhouse System
  • Avid Bowhunter and Fisherman
  • Outdoor Enthusiast, Golf and Sports

Nancy  Berend

Nancy Berend

Office Supervisor

In December of 2016, Nancy was promoted to Office Supervisor. She provides administrative support in many areas for Preservation Tree Services. She is a native Texan with a love for trees and nature which made her a perfect fit for our business. Her previous work history involved customer service, accounting, purchasing and scheduling which has also made her an added asset for the company. She has held several positions in her tenure here. Nancy started with Preservation in 2004 and is currently the Receptionist at our corporate office in Dallas, Tx.


Wendy  Gawlik

Wendy Gawlik

Plant Health Care Account Manager

Wendy has worked in the Tree Care industry for over 14 years. She started with Preservation Tree Services in 2001 answering incoming calls, then continued to work through all aspects of the company. She comes with an Arboriculture background through many years in the industry and now maintains a role in our plant healthcare division. Wendy is the behind the scenes liaison providing customer service to our clients and maintaining our technicians day-to-day operations.


Jamie Thibodeaux

Jamie Thibodeaux

Fort Worth Account Manager

Jamie has enjoyed two years here at Preservation Tree Services, where her love for behind-the-scenes support has grown exponentially as the Fort Worth account manager. Her family is a great source of pride. She is the proud mother of two beautiful children ages 5 and 6, and wife of a husband in law-enforcement. Jamie's passion is in caring for people, no matter what the need is, she strives to meet it for not just her family, but her coworkers and clients alike.

Jamie enjoys hunting with her husband, reading great books, and spending time with family.


Kelly Paniagua

Kelly Paniagua

Account Manager

Kelly has been an account manager with Preservation Tree Services since 2009 and has experience as receptionist, sales assistant, and executive assistant within the company. Her professional experience includes 20  plus years in customer service. Over that time she has earned several outstanding achievement awards for her services.

Born and raised in the Dallas area, she has two children, Adrian (9) and Violet (2). Together they enjoy baseball games, going to the park, and spending time with friends and family.


Sharon Van Buskirk

Sharon Van Buskirk

Account Manager

Sharon has served Preservation Tree Services in several positions since joining the company in 2006. Her interest in growing things goes back to “tromps” in the woods behind her East Dallas home and high school horticulture classes. She’s had to push through intervening jobs with the Hong Kong government, the British Parliament, and her own trade magazine for the funeral industry, to wind her way back to trees and nature preservation. The Dallas native is a board member of the White Rock Lake Foundation and the Friends of Buckner Park.


Jessica V. Andrade

Jessica V. Andrade

Accounting Manager

Jessica has been with Preservation Tree Services since February of 2004. Jessica was named as Accounting Manager at the end of 2014. She is experienced in several facets of general ledger accounting, insurance administration, and human resources. Jessica is a super star of consistency and reliability. Jessica has four children ages four through eleven years old. She enjoys her family, cooking, shopping and reading.