Sean Jancski RLA ASLA LEED-AP
Sean Jancski RLA ASLA LEED-APPrincipal Landscape Architect
As founder and Principal of Sean Jancski Landscape Architects, Sean’s mission is to draw people outside. He designs carefully-crafted personalized spaces that extend and enhance the enjoyment and usage of each client’s property. Sean has passion for technology in design, and is able to create 3d renderings nearly identical to their eventual outcomes. He is an adept problem-solver who sees obstacles as opportunities.

Sean has over 25 years experience as a registered landscape architect in New York and Connecticut, is LEED certified (Building Design and Construction), and a long-standing member of the American Society of Landscape Architects (ASLA). When not designing award-winning landscapes, he can be found pursuing one of his many hobbies, including carpentry, kiteboarding, surfing and scuba diving.

Juliana Alzate RLA ASLA
Juliana Alzate RLA ASLASenior Landscape Architect
Juliana brings to SJLA a commitment to the creation of exceptional gathering spaces, where people can relax, play and connect. She is a natural collaborator with clients and professionals, and excels in team collaborative environments. Juliana’s superior presentation graphic skills are responsible for many of SJLA’s awards and recognitions.

As a registered landscape architect (RLA), Juliana brings over ten years experience in planning, designing and implementing landscapes that have postivie impacts on client’s lives. She holds a bachelor of science in Landscape Architecture (BSLA) and a master’s degree in Urban Planning (MLA) and is a member of multiple networking groups. When not working on her projects, she can often be found with family or training, as she is also an accomplished strength and endurance athlete.

Joe DeMarco BSLA
Joe DeMarco BSLALandscape Designer
Joe has years of experience working with SJLA on a wide variety of skills and expertise on diverse projects during all phases of projects from conceptual and schematic design through construction administration. He holds a bachelor’s degree in Landscape Architecture.
Elise Shallbetter BSLA
Elise Shallbetter BSLALandscape Designer
Elise’s responsibilities include developing conceptual and schematic designs, site analysis, design development, and the production of construction documents. She holds a bachelor’s degree in Landscape Architecture, and is skilled in horticulture, landscape plantings and design. Past experience includes working at Claude Monet’s garden at Giverny, France.
Kelly Jancski, M.S.
Kelly Jancski, M.S.
Kelly is literally married to her work (she’s Sean’s wife). As head of office operations, she
does a bit of everything, functioning as a combined book-keeping, marketing, human resources and everything else department. A former teacher, Kelly holds a bachelor’s degree in Communication/Marketing and a master’s degree in Secondary Education. She is also a certified yoga instructor. When not at work, like Sean, she can often be found on, under or near the water, gardening and beading.