Dorian has been a Chartered Architect and Chartered Town Planner for over 30 years and has also been a member of the Institute of Historic Building Conservation for 25 years. He is a Scholar of The Society for the Protection of Ancient Buildings.
He is a committee member of The Society for the Protection of Ancient Buildings, the International Committee on Monuments and Sites (ICOMOS), ICOMOS UK and the Institute of Historic Building Conservation. He has been a court member with the Worshipful Company of Chartered Architects and a Trustee of the Hampstead Garden Suburb Trust. He is also a Trustee of both the Drake and Dance Scholarship Trusts and Chairman of the City of London Heritage Society.
Dorian has worked for over 30 years as Historic Buildings and Areas Inspector with English Heritage, now Historic England, responsible for providing advice to all the London Boroughs and both the City of Westminster and the City of London. He has worked as a consultant and expert witness for over 20 years advising a wide variety of clients on heritage and design matters involving development work, alterations, extensions and new build projects associated with listed buildings and conservation areas in design and heritage sensitive locations throughout London and country wide, including a number of sensitive and complex cases.