In 1994 James Patchett founded CDF and he serves as President. In addition the professional team is led by three directors: 

Gerould Wilhelm, Principal Botanist/Ecologist

David Yocca, Principal Landscape Architect/Planner

Tom Price, Principal Civil Engineer/Hydrologist


The staff at CDF includes a diverse range of personal talents and professional education and experience. Our staff includes landscape architects, planners, environmental scientists, hydrologists, and engineers that are fueled by demanding projects. We foster a creative culture necessary to address challenging problems, to cultivate rigorous questions, and to seek creative pathways.

Be A Part of Our Team - We Are Hiring 


2018 Sustainable Design Summer Internship for our Lombard Office

Click here for requirements and deadline info
Submit applications to 







We are solutions oriented thinkers. Decisions are made collaboratively. This is the “Forum.”

      Jim Patchett





Northwest Community Hospital Community Placemaking Charette



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