Professor Sarah Sayce is Emeritus Professor at Kingston University, having recently retired as Head of the School of Surveying & Planning a position she held for many years. She initially qualified as a Chartered Surveyor and worked in both the corporate field and in consultancy specializing in property valuation and management. She then moved into academia, gaining a PhD from the University of Reading.Sarah is an active and widely published researcher notably in the field of sustainability and commercial property markets, and she has recently been the Technical Author for the RICS’s new global guidance to valuers on sustainability and commercial property valuation and she is a Technical Editor for i-SURV, the main source of information for Chartered Surveyors. Her recent research spans valuation, spatial planning and professional education; but she is currently involved with work for the Green Construction Board on aspects related to energy efficiency in buildings and with the case for Land Value Taxation.Sarah has been a member of a number of working groups including for Government, charities and her professional body. She is currently working with the Ethical Property Company and as an advisor to the Property Working Group of the United Nations Environment Programme’s Finance Initiative. She is very active within the RICS, being an elected member of their Governing Council in addition to serving on the Valuation Board and acting as a Professional Competence Assessor.