1961-65 Assistant Professor / Design tutor, School of Architecture, Columbia University, New York.  
1965-69 University Lecturer / Design tutor, School of Architecture, Cambridge University. 
1965-66 Design tutor, Graduate School of Planning, Architectural Association, London.
1968 Lecture tour to schools of architecture at Universities of Montreal, Columbia, New Mexico, Vancouver and California (UCLA).  
1970-71 Visiting Professor, School of Art, University of California, San Diego (UCSD).
1979-86 Head of School, School of Architecture, North East London Polytechnic (now the University of East London). 
1987-92 Reader in Architecture, University of East London. Director of Architectural Research, head of the Architectural Practice Unit, M Phil/Ph D supervisor. 



1972 Co-founder of the Soho Housing Association. 
1975-86 Chairman, Soho Theatre Company, London. 
1980-83 Governor, The Author's Lending and Copyright Society. 
1981  Member of jury, Architectural Journalist of the Year Award. 
1982 Member of jury, RIBA annual awards; Chairman of Yorkshire awards division. 
1985 Chairman of Jury, RIBA student Part 2 prize (national competition for graduate student design).
1989-92 Eastern Region coordinator, RIBA Community Architecture Group, advising on Community Projects Fund grants. 
1989-95 Board member and director, Soho Theatre Company. 
1996- Senior Assessor to RIBA Competition Group. 
1996-2001 Professional Assessor for applications to the Heritage Lottery Fund, part of the National Heritage Memorial Fund. 
1997- Member of Executive Committee, The Westminster Society (re-elected successively). 
2003- Awards committee chairman, The Westminster Society. 
2007 Shortlist selector, RIBA Awards, London region. 
2009 Chairman of awards at The Westminster Society’s 50th anniversary AGM, with awards presented by HRH the Duke of Gloucester. 
2011 “Ad Hoc Chair,” my furniture design of 1968, acquired by the Victoria and Albert Museum for their permanent collection.   Displayed in their show “Postmodernism: Style and Subversion,” 24 Sep 11 – 15 Jan 12, and on tour.