Profile: John Roberts

This month's letters continue the discussion on the value of the brainteasers in the publication, offer another view on load factors, request that building control records be kept for posterity, and address concrete detailing.

Stephen Hargreaves of insurance broker Griffiths & Armour discusses the recent experiences of UK consultants with regards to liability and contractual terms.

As head of sustainability across Ramboll's building structures division, Brogan MacDonald has made impressive progress in her short career so far. A year into the role, she talks to Helena Russell about how she got here, where she's going, and the importance of positive role models.