About Terry's Landscape

Our mission is to create valued relationships with our clients through extraordinary service and personal attention.

Over the past four decades, Terry's Landscape has acquired some of the most experienced and qualified professionals in the industry. Quality service and customer-focused thinking have earned us a reputation for excellence. We are confident that when we send a member of our team to a client’s property that they will provide quality service and carry themselves with the highest level of professionalism. Through our two facilities in Lorton and Manassas, our landscape company has served more than 50,000 properties throughout Northern Virginia and Washington, D.C. We employ the strictest level of professional and safety standards in order to provide our clients with the quality service they deserve, and our work is backed by the strongest warranty offered in our area.

Since 1974, Terry's Landscape has maintained the highest business credit rating by Dun & Bradstreet, which means our clients are assured that when they contract with our landscape company, we have the necessary resources, equipment and stability to stay on their job from start to finish. Professional Grounds is consistently rated at the top of our competition year after year. We invite you to learn more about our team of highly skilled designers, horticulturists, certified agronomists and landscape professionals, applications techs and administrative staff who set our company apart from the competition. Our bios are listed below for your convenience. After you learn more about us, we welcome the opportunity to learn more about how we can help you achieve your landscape dreams!

Meet The Terry's Landscape Team

WILLIAM S. TRIMMER
Founder/CEO

As founder and Chief Executive Officer, Bill is still actively involved in the daily operations of Professional Grounds and is vested in its continued success. Also a Navy veteran, he has over 35 years of experience in maintaining commercial and residential landscapes.

GLENDA TRIMMER
Special Assistant to the President

Glenda's business school background and work in high-level business offices give her prime experience to perform day-to-day operations assistance. She's also been the wife of CEO/President Bill Trimmer for over 45 years.

TAMBRIA GARIEPY 
Offfice Manager

Tambria's diverse skill set, attention to detail, and glowing personality make her the perfect Office Manager for Professional Grounds.

WILLIAM S. TRIMMER
HR & Communications

Stephanie brings experience in personnel and clinical case management. She is responsible for operation PGI's Human Resources and Communications departments.

Landscape Design Built Department

TIMOTHY
Senior Vice President

Tim initially joined Professional Grounds in 1996 as a part-time employee and he continued to work summers at the company while obtaining his formal education in business management. Professional Grounds was honored to welcome Tim as a full-time employee in 2003, two days after his college graduation. As the Landscape Director, Tim’s responsibilities include managing and overseeing all aspects of the Landscape Department. Tim plays a key role handling company finances and budgeting, strategic planning, and internal controls. His positive attitude and hard work ethic accompanied with strong leadership skills make Tim a fabulous director. Over the last two decades, Tim has grown with the company and plays an integral role in Professional Grounds success.

EDUCATION
Elon University Bachelor of Science-Business Administration

CERTIFICATIONS
International Concrete Paver Institute (ICPI)-Level 1 Paver Installer
Low Voltage Lighting Specialist

MARTA
Landscape Design/Sales

Marta brings with her nearly 30 years of experience in the landscaping industry ranging from nursery growing, production, sales, design and installation. For 11 of those years Marta owned and operated a retail garden center and landscape design/build company providing her with a strong background in business. She loves creating outdoor living spaces by incorporating her client’s desires into their specific property needs, as evident in the recognition she received for the 2015 Landscape Contractors Association ‘Distinction Award’ for her part in the design and installation of The Clifton Retreat.Marta has a knack for both small townhome and sprawling estate design but also loves working with any property size inbetween. Her project creations range from traditional to tropical, while incorporating only the appropriate hardscapes and plantings to ensure her client’s landscape installation will thrive in its specific environment. From site planning to furniture placement, Marta will become involved with every aspect of her client’s project insuring proper flow and comfort, all while making the construction process a delightful experience. Marta’s passion, enthusiasm and motivation allows her to build beautiful and functional landscapes while developing long term relationships.

EDUCATION
Ohio State University Associates Degree, General Science/Greenhouse Management
Kent State University Associates Degree-Business Administration
Catawba Valley Community College Continued Education-Landscape Design

CERTIFICATIONS
NC Landscape Contractor
NC Professional Plant Specialist
NC Commercial Pest Applicator Master Gardener
International Concrete Paver Institute (ICPI)-Level 1 Paver Installer

KATE
Landscape Design / Sales

Kate began her design career more than 20 years ago. What started as a passionate hobby turned into a culmination of vast experience in the areas of interior design, renovation, custom home-building, and landscaping. Her vast knowledge and abilities were confirmed when her well documented efforts were awarded with the honor of receiving the Parade of Homes designation for “Best Custom Designed Home” for 2008. This award highlighted innovative hardscaping with a full outdoor kitchen and integrated fireplace. With her years of experience, Kate understands the connection between outdoor spaces and the interior of homes. She prides herself on her ability to connect with her clients and present a design/proposal that meets or exceeds their expectations. Kate has amazing attention to detail that is exemplified in each unique design she installs. Her landscape design philosophy includes providing homeowners with an exterior space that brings together their long-term landscape plans with their immediate outdoor space desires. These attributes combined with a business acumen for budgeting help each of her clients to achieve their ideal outdoor living space.

EDUCATION
Lynchburg College, BS in Economics
George Washington University, MA in Landscape Design
George Washington University, Certificate in Sustainable Landscape Design
University of Colorado, Certificate in Horticultural Therapeutic Design

CERTIFICATIONS
General Contractor (Class C)
Virginia Certified Horticulturalist

SETH
Landscape Design / Sales

Seth was born and raised in the Washington, D.C. area, and has live here all his life.  He’s been working in the Green Industry for the past 15 years, but his passion for plants, gardening, and landscape design started back over thirty years ago.
Seth’s number one priority is to create a unique and beautiful landscape that is personalized to suit the individual needs of each of his clients. Seth is known for his ability to really understand his clients wants by simply getting to know them. His pallet is large and versatile and he greatly enjoys incorporating people’s unique lifestyles and preferences to reflect their outdoor area. Whether it’s contemporary or traditional or something in between, it will be artfully designed and professionally installed.
“My mother studied and worked as an artist all her life and pushed me, from an early age, to follow in her footsteps. She enrolled me into the Corcoran Gallery School of Art when I was in the fifth grade, and I loved it from the start.  I used all the usual mediums:  charcoal, pencil, watercolors, and oils, but I didn’t really find my true medium until I discovered plants!” -Seth

EDUCATION
University of Maryland,  English and Fine Art 
George Washington University,  Landscape Design and Woody Plants

JOE
Landscape Production Manager

Joe has over 10 years experience in the green industry. His upbringing in the rural mountains of Southwest Virginia inspired his passion for plants and the outdoors which drove his goal of earning a degree in Horticulture with a focus in Landscape Contracting at Virginia Tech. Joe has extensive experience managing both landscape design/build and residential maintenance divisions. His management experience combined with his experience owning and operating his own business have helped him develop the necessary customer service and project management skills needed to ensure all of our landscape client’s questions and concerns are addressed proactively and that their landscape project runs smoothly from start to finish.

EDUCATION
Virginia Tech Bachelors of Science-Horticulture

CERTIFICATIONS
Landscape Industry Certified Manager (CLP)
Landscape Industry Certified Technician-Exterior (CLT-E)
International Concrete Paver Institute (ICPI)-Level 1 Paver Installer
National Association of Landscape Professionals (NALP)

Commercial Maintenance Department

VICTOR
Director of Maintenance

Victor is responsible for the day-to-day operations of the Maintenance Division at our main branch in Lorton. In addition to managing Lorton’s maintenance crews, Victor is in charge of scheduling, training new crew members and quality control. Victor originally started working for Professional Grounds in 1985 as a laborer. Victor’s natural ability as a leader, his attention to detail and his dedication has made him a very important asset to Professional Grounds. The company’s success is directly related to Victor’s role in day-to-day operations. Victor is both passionate and dedicated to providing superior service for our clients.

EDUCATION
National University of Managua, Nicaragua

JON
Business Production Manager

Jon’s primary focus is business development which includes everything from customer service to continued, controlled growth of the landscape maintenance division. Jon has been with Professional Grounds, Inc. for over 10 years. Jon acts as community liaison and is involved in community associations such as: CAI, PMA, and AOBA. Jon’s formal education in Turfgrass Management and Agronomy and his previous experience as a Turfgrass Specialist and Branch Manager for lawn care franchise, has proven him to be an expert in the field. Jon is the primary contact for all new and potential landscape maintenance clients and coordinates a smooth transition to a full time Area Manager.

EDUCATION
Virginia Tech Bachelor of Science-Environment Resource Management
Master of Science-Turfgrass Management & Agronomy

GREGG
Area Manager

Gregg has lived and worked in the green industry in the Washington, DC metro area for over 30 years. Previously, an owner of a landscape maintenance business, Gregg brings with him extensive knowledge of the green industry and strong interpersonal skills which assist in building positive customer relationships. Being a Virginia Certified Horticulturist, Gregg is able to diagnose plant care problems on site and provide our customers with the best landscape solutions for their properties. Gregg manages many of our commercial maintenance accounts and plays a key role in enhancing employee morale and team-building within the company.

EDUCATION
George Mason University Bachelors of Science-Business
Northern Virginia Community College Associates Degree-Automotive

CERTIFICATIONS
Virginia Certified Horticulturist

ERIK
Area Manager

Erik has over 30 years of turf management experience. After working in New England, the Mid Atlantic and Arizona, Erik has extensive knowledge of both warm and cool season turf. Erik has also managed golf courses and worked closely with members to deliver optimal results and satisfaction. Since 2007, Erik has worked for Professional Grounds as an Area Manager for commercial properties.

EDUCATION
University of Massachusetts, Stockbridge School of Agriculture

CERTIFICATIONS
Pest Applications

HOA / DEVELOPMENT
Improve the quality of life with beautiful landscapes.
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RETAIL / COMMERCIAL
Get more attention with better landscape design.
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INDUSTRIAL
Look better with perfectly designed landscapes.
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MUNICIPALITY
Improve the quality of life with beautiful landscapes.
LEARN MORE
HOA / DEVELOPMENT
Look better with perfectly designed landscapes.
LEARN MORE
RETAIL / COMMERCIAL
Get more attention with better landscape design.
LEARN MORE
INDUSTRIAL
Look better with perfectly designed landscapes.
LEARN MORE
MUNICIPALITY
Improve the quality of life with beautiful landscapes.
LEARN MORE
Let’s beautify your world!
Design your dream yard. Our landscape designers are ready to beautify your place from the outside in.
CONTACT US TODAY