With over 20 years of experience in landscape architecture, Darrell specializes in adaptive reuse and transformative landscapes, focusing on the intersection of cultural and ecological engagement. His expertise spans designing and managing projects of all scales, from urban parks to natural environments, emphasizing human interaction with ecological systems. Darrell has led award-winning projects like the Fonthill Castle in Doylestown, PA, the 11th Street Bridge Park in Washington, DC, and the National Geographic Society Headquarters Campus.

In addition to his professional work, Darrell has taught at institutions such as Temple University, the University of Pennsylvania, and Jefferson University. His broad knowledge of civil engineering, permitting, and multi-disciplinary project management further enriches his design and leadership capabilities.