Justin has more than 20 years' experience shaping the built environment, is a founding member of Make, and worked at Foster and Partners for 11 years. His work focuses on designing complex buildings, often in sensitive contexts, facilitated by his analytical and disciplined approach.

Justin has led projects across multiple sectors including: the redevelopment of St James’s Market in Westminster for The Crown Estate; Pure Hammersmith student accommodation; the redevelopment of the former Bath Press; housing at Grosvenor Waterside and a 'Paragraph 55' house in Oxfordshire. Justin has delivered numerous research facilities for the University of Oxford over 18 years. At Foster and Partners his work included the Albion Riverside residential development and Beijing Airport. He is a practice design tutor at The Bartlett School of Architecture at UCL, a Royal Institute of British Architects (RIBA) Part 3 professional examiner and a member of the Design South East and Southwark design review panels.

Justin has judged RIBA, New London Architecture and Civic Trust awards, and has contributed to research for the Construction Industry Research and Information Association and the British Standards Institution. He is a trustee of the Westminster Society, has an Oxford Preservation Trust award and is a Fellow of the Royal Society of Arts.