Mr. Chisholm was formerly a member of the Metro Dade County Manager's Office in the Office of Community and Economic Development (OCED) during the 1970's. He was lead principal Planner in charge of planning and implementation of capital improvement projects in several urban neighborhoods. Mr. Chisholm dealt directly with members of the Federal, State, County and City governments in planning, funding, and implementation of projects.

Since the early 1980's, Mr. Chisholm has been involved in numerous architectural and urban design projects including mixed use, multi-family residential, public school design, rapid transit stations, state laboratories, parks, recreational facilities, university facilities, school facilities, surgical centers, commercial centers, theater, and airport facilities; many of the projects have received design award recognition.  

With over four decades of experience, Mr. Chisholm has worked on numerous Miami-Dade County projects across Design/Build, EDP, Miscellaneous, and A/E contract processes, providing services including architecture, design criteria, feasibility studies, ADA analysis, interior design, space planning, construction inspection, urban design, planning, and aviation, port, and parks facilities.