Studied at the Architectural Association. He was Hon. Treasurer and Council Member of the RIBA 2002-2006, President of the Architectural Association 1993-1995 (Council Member 1987-1997), member of the Historic England Expert Advisory Group (2016-present), member of the Historic England Urban Panel (2009-2016), chair of the Sheffield Urban Design Review Panel (2006-2009), member of CABE’s Project Enabling Panel (1999-2012), the RIBA Validation Panel (2000-2008), Westminster City Council’s Public Art Advisory Panel (2001-2010), Academician of the Academy of Urbanism and trustee of the Michael Ventris Memorial Fund since 2003. John has been an external examiner at the universities of Nottingham and North London, and visiting tutor at the Architectural Association, the universities of Michigan, Georgia Tech., Illinois at Chicago and Pennsylvania. He was chair of RIBA Awards juries on two occasions. He was a keynote speaker at the European Conferences on Solar Architecture in 1993 & 1996 and was a member of the advisory panel for the EU EDUCATE programme. John has worked in London, Rome and Santiago de Chile. He was a partner at Michael Hopkins & Partners until 1996 and is a Founder Director of Pringle Richards Sharratt.