Colin joined Edward Cullinan Architects in 1988 to work as site architect on Ready Mixed Concrete HQ. He also worked with Lyall Addleson to write "Performance of Materials in Buildings".
Colin has worked on various projects including leading the urban regeneration projects in Bristol Harbourside, Gloucester Docks and more recently Penarth.
Colin pursued his interest in Project Management, and leads the office's Resources Team. He also represents the office on Knowledge Management issues, taking part in a DTI research project "Spreading the Word" in 2004/5.