The partners of Berwin Leighton and Paisner & Co have voted to merge the two firms. The merger will take effect from 1 May and the new firm will be known as Berwin Leighton Paisner.
Architects Design Partnership has opened an office in Birmingham, 4th Floor, Crown House, 133 Hagley Road, Egbaston, B16 8LD.
Martin York is now senior architect and project manager at Yorkshire-based architect SDA.
HOK Sport has appointed John Barrow as a principal in its London office.
Brill+Owen has moved to Grove House, 2B Lichfield Grove, Finchley Central, London N3 2JP, tel 020 8349 0037, fax 020 8349 0092, e-mail architects@brillowen. co. uk, website www. brillowen. co. uk As a result of a merger with Olivier Vidal, hotel and retail architect, Swanke Hayden Connell has established a Paris office, known as Swanke Hayden Connell Vidal Architects.
Gilroy McMahon has moved to Mill Building, Unit 10, Greenmount Industrial Estate, Dublin 12.
Mary Thum Associates has become a limited company and appointed Ian O'Brien as an associate.
Former Business Design Centre event director Dianne Willcocks has joined Forte Communcation as a partner.