Jonathan is responsible for all appointments for the practice, as well as Health and Safety procedures, while directing a number of architectural projects. He has been involved in the recently completed award winning schemes; Sunshine House, a Children's Development Centre in Southwark, and housing developments at Church Street and Crown Street Buildings.

Jonathan has been an external examiner at the University of New England and a Part III examiner at the University College of London as well as lecturing at architectural schools in the UK. Jonathan has contributed to architectural publications including Architecture Today and Building Design and has been a member of the RIBA Journal Practice editorial committee.