Retired since 1993, Derek Phillips, was an architect and lighting consultant. After obtaining degrees at Liverpool School of Architecture (first class honors) and Massachusetts Institute of Technology and after spending time as a visitor to the University of Berkeley, Derek became Architectural Consultant to the AEI Lamp and Lighting Company. He then founded his own architectural and lighting practice in 1958, called Derek Phillips Associates, which later became DPA (UK) Lighting and DPA Chartered Architects. He was Chairman of Hertsfordshire Association of Architects and an RIBA Council Member. He was also President of the Illuminating Engineering Society, now Chartered Institute of Building Services Engineers and Consultant to UNESCO on ancient monuments in Sri Lanka. He was also Vice President of the International Association of Lighting Designers, New York.