Jennifer has been involved in horticulture for over 25 years. In addition to owning and operating GreenWeaver Landscapes, she is an instructor at Longwood Gardens where she teaches stormwater management and landscape design. She holds a Certificate of Merit in Ornamental Plants and a Certificate of Merit in Landscape Design from Longwood Gardens.  Prior to founding GreenWeaver, she was Vice President of Twin Oaks Landscaping of Fairfax, Virginia. Currently, Jennifer serves on the Middletown Township, Delaware County Environmental Advisory Council, the Board of Directors of the Chester-Ridley-Crum Watersheds Association, the Ecological Landscape Alliance's Annual Conference Planning Committee, and volunteers with the Sierra Club.

Greg has been in professional horticulture for over 30 years. He is an International Society of Arboriculture certified arborist (MA-0510A) and a PA certified pesticide applicator (BU10663), and is a member of the Professional Grounds Management Society (PGMS) where he served as the president in 2007. He is an active instructor in the continuing education department at Longwood Gardens.  Greg started in landscaping by mowing lawns while attending George Mason University in Fairfax, Virginia. Upon graduation, he founded Twin Oaks Landscaping which he operated until 2004. Greg worked as Assistant Director of Facilities for Grounds at Bryn Mawr College in Bryn Mawr, PA, from 2004-2008.

Ryan Snyder

General Manager

Ryan has been involved in the landscape industry for 10 years. His experience spans from residential maintenance/installation to commercial contracting and landscape construction with heavy emphasis on project management. This involvement has given him hands on experience with projects ranging from open space reforestation, hardscape design and construction, new construction installation as well as renovations both small and large. Ryan's certifications include: Interlocking Concrete Pavement Institute - Certified Paver Installer (ICPI CPI), National Concrete Masonry Association - Segmental Retaining Wall Installer (NCMA SRWI), Pennsylvania Landscape and Nursery Association - Sustainable Landscape Certified (PLNA SLC), Occupational Safety Health Administration - 30 Hour General (OSHA 30).

Barb Young

office Manager

Barb has been in office management and customer service for over 30 years.  She has worked in a variety of different types of businesses, feeling most comfortable in a green, sustainable industry.  Barb has a dual degree in Architecture and Construction Management.  She thrives on being organized, analyzing numbers and has strong communication skills.  To fulfill her creative side she does picture framing, sketches and makes jewelry.  Time away from work is spent hiking, gardening, dancing and practicing and teaching yoga.

John Majdic

Landscape Designer

John holds a Bachelor of Science degree in Landscape Architecture from Temple University. Through his schooling he developed a modern approach to designing multi-functional outdoor spaces that blend native ecology with practical, people-friendly solutions. Ethical stormwater management, native plantings, and habitat gardens are routinely incorporated into his plans in an artful manner that reflects the aesthetic desires of his clients along with their sense of environmental stewardship.  In addition to schooling, John spent several years working in residential and commercial contracting, which provided him with a valuable perspective on the construction process necessary to transform a drawing on paper into a completed project. 

OlivIa Kirkpatrick

Landscape Designer

Olivia has an undergraduate degree from the University of Delaware in Landscape Architecture with a minor in Horticulture, and a background in fine and studio arts, which lends itself well to creative garden design. Prior to working at GreenWeaver, Olivia held positions at the Tyler Arboretum, Mt. Cuba Center, Winterthur Museum, Garden and Library, Viridian Landscape Studio and Evolution Landscape Design. Their work experience in public gardens has given them a strong understanding of maintenance needs for large scale landscapes, as well as the importance of maintaining plant collections for conservation and sustainability. In the summer of 2021, Olivia had the opportunity to visit Southern Appalachia with members of the Azalea Society of America to wild collect cuttings of Rhododendron calendulaceum, the flame azalea, for propagation in local gardens including Jenkins Arboretum and Mt. Cuba Center. Outside work, Olivia spends their time making art and working with the medicinal plants they grow in their home garden. They are very proud to have grown the native Passiflora incarnata, maypop, in their garden for the first time last summer!

Jesus Medel

Field Supervisor

Jesus joined GreenWeaver in 2019 as a crew leader. Since then, he has embraced ecological landscaping and steadily taken on more responsibility. His attention to detail, ability to tackle complex projects, and leadership skills made him the obvious choice for the position of Field Supervisor. Jesus has a degree in Culinary Arts from the University of the Cloister of Sor Juana (Universidad del Claustro de Sor Juana) in Mexico City, and if we are lucky, he also acts as head chef for GreenWeaver cookouts.

Clara Monsma

Gardening Coordinator

Clara holds dual Bachelor of Arts degrees in Biology and Environmental Studies from Oberlin College, where their studies focused on the botany and ecology of native East Coast flora. Through their work experience in environmental education, Clara has gained extensive knowledge of native plants and wildlife. They harness their passion for ethical, ecological gardening to promote wildlife habitat and ecosystem services in their gardening work. Clara is a natural organizer and loves systems of all kinds. They take great pride in helping the gardening department flourish along with the gardens that it serves.

Mike Redden

Crew Leader

Mike has been with GreenWeaver since 2016. A skilled crew leader, Mike is fanatical about quality and passionate about environmental stewardship. He has experience in all aspects of ecological landscaping, from stormwater management projects to installing complex planting plans. Always interested in learning more, Mike has completed training as a Chesapeake Bay Landscape Professional and taken classes at Longwood Gardens and Mt. Cuba Center. Mike has a bachelor’s degree in Liberal Arts from West Chester University.

Mike Byrne

Crew Leader

After six years in urban agriculture and environmental education, Mike joined GreenWeaver in 2020. We knew he would not be a crew member for long, and with quick learning, hard work, and enthusiasm he was soon promoted to Crew Leader. Mike applies his care for the environment and his educational background as he teaches new crew members about ecological landscaping.