Tanja Wilcox, Senior Associate, is a Registered Landscape Architect with a degree in landscape architecture from Cornell University. Tanja has a wide range of experience in design and planning, including recreation planning, site selection and feasibility, shoreline planning, and master planning. Her responsibilities at J.A. Brennan include parks and open space planning and design, recreational facilities development, project management, public participation facilitation, specification writing, cost-estimating, construction documents, and graphics production.

Environmental awareness is of great importance to Tanja. Her work utilizes a natural systems approach to determine imaginative and sensitive design solutions that combine public enjoyment and education with habitat conservation. She served as project manager for the Beaver Lake Preserve Master Plan and Evans Creek Preserve Master Plan, both in the City of Sammamish.