London Management Team

Managing Director

Vincent Barrett

BScEng, MSc, DipStructE, DIC, CEng, MIEI, MIStructE, FconsEI Chartered Engineer

Vincent co-founded Barrett Mahony, with Brian Mahony, in 1994, having worked previously with a number of consulting practices as well as a local authority. Vincent is currently involved in a number of large-scale residential projects in Ireland,  as well as high rise modular projects in the UK.

Notable projects include Claremont residential Howth Dublin (600 units), 101 George St Croydon London (550 units in the world’s tallest modular structure) and 10 Trinity Square London (5-star hotel and Grade II listed building).

Director

Shane Linehan

BEng, CEng, MIEI, MIStructE Chartered Engineer

Shane joined Barrett Mahony in 2010 as a graduate engineer in the Dublin office and moved to the London office in 2014 before being appointed Director in 2022. Shane has led the structural design for a range of prestigious projects in London and Dublin. He has particular expertise in the design of high-rise modular structures and been deeply involved in the research and development of the traditional construction elements of these projects over the past decade as modular construction reached the height of skyscrapers.

Shane's projects have twice broken the record for the world’s tallest modular building; the 44 storey Ten Degrees in Croydon, London (2021) and the neighbouring 49 Storey College Road project (2023); both winning the ACEI Engineering Excellence Award for overseas project of the year and the former winning the award for Structural Engineering Excellence at the 2022 CTBUH Annual Awards in Chicago.

Director

Owen Carroll

BE(Hons), MSc, DIC, CEng, MIEI, MIStructE Chartered Engineer

Owen joined the London Office of Barrett Mahony in 2010 as a Graduate Engineer and by 2015 had achieved Chartered Engineer status with the Institution of Structural Engineers and Engineers Ireland. Owen has been at the forefront of the development of the London Office and was appointed a Director in 2022. Owen has experience across a variety of sectors, including residential, commercial, conservation, refurbishment, and industrial projects. Owen has a particular passion for the repurposing and extension of existing structures, to provide solutions with low embodied carbon.

Notable projects include 10 Trinity Square (5 star hotel and Grade II* listed building), One Olympic Way,Wembley (346 units); Hastings Road, Ealing (448 units); Burnt Mills, Harlow (172 units plus commercial space); Baddesley EfW Facility (10.5 MWe); and Bray Film Studios.

Owen was awarded a Regional Group Award and the Sir Arnold Waters Medal by the Institution of Structural Engineers for the paper '10 Trinity Square'.

Director

Ciarán Kennedy

BSc(Hons) Struct Eng, DipStructEng, MIStructE, MIEI, CEng, FConsEI Chartered Engineer

Ciarán joined Barrett Mahony in 1996 and has progressed from Graduate to Managing Director. Ciarán is a Chartered Engineer with Engineers Ireland and the Institution of Structural Engineers since 2000. As an FConsEI with the Association of Consulting Engineers of Ireland (ACEI), He was honoured to be President of the Association for the 2018 / 2019 term. He maintains an involvement in professional bodies and sits on the Structures Committee and sub-committees . He has been awarded Branch Prize from the IStructE, ACEI and European CEO of the year award from ACE(UK).

Ciarán has always enjoyed continuing to provide active hands-on involvement and maintains close contact and engagement. Past Projects include The Shelbourne Hotel refurbishment and extension, Smithfield Village development, Clarion Quay Development, Coopers Cross Development and Kildare Street Offices. These projects demonstrate an enthusiasm for conservation and more complicated interactions between new and old works, Modern Methods of Construction and sustainable development. He is a regular contributor to technical consultations and an occasional Guest lecturer and External Examiner at TUD and Third Level Colleges.

Director

Brian Mahony

BE, CEng, MIEI, MIStructE, FconsEI Chartered Engineer

Brian graduated from UCD in 1978 and in the years from 1978 to 1992 worked in several consulting engineering practices both in Ireland and UK. In 1992 Brian returned to Ireland and was instrumental in setting up the Civil & Structural Engineering Department for the Project Management Group. In 1994, along with Vincent Barrett, he co-founded Barrett Mahony. His time in the UK included a 1 year sabbatical in the Steel Construction Institute in Ascot, Berkshire where he produced an SCI Report on "The Design of Facade Retention Systems for Building Refurbishment". In 1995, following on from that research, Brian won the IStructE ROI Branch award for his technical paper on the design of Facade Retention systems and was subsequently involved in the development of the CIRIA Best Practice Guide C579 on the design of same.

Since founding Barrett Mahony in 1994 Brian has been Project Director for various projects including Office, Retail, Residential, Industrial, Educational, Healthcare, Leisure, Conservation / Restoration, Civil etc. Notable Projects include : UCD Student Residences (2000 bed), Player Wills & Bailey Gibson residential (1350 units), Cherrywood (700 units), Eaton Corporation Head Office, Microsoft HQ Sandyford, The Guinness Enterprise Centre, The AIG HQ IFSC and Dublin City Hall Refurbishment.

Director

Stephen O'Connor

BSc(Eng), Dip Struct Eng, CEng, MIEI, MIStructE, FConsEI Chartered Engineer

Stephen joined Barrett Mahony in 1999 as a graduate engineer and by 2004 had achieved Chartered Engineer status with the Institution of Structural Engineers and Engineers Ireland. In early 2010 he assisted with establishing BMCE's London office and worked on a number of residential and commercial projects before returning to Dublin in 2014. Stephen was appointed a Director in 2016 and has contributed to expanding the practice. His experience spans a number of sectors including residential, commercial, conservation and refurbishment, educational, civil engineering and temporary works.

Some notable projects include 76 Sir John Rogerson Quay office and residential development, No.5 Hanover Quay office, No. 6 Hanover Quay residential, Griffith Woods residential, Malahide Road residential, the Oval Ballsbridge offices, No.26/27 Grafton Street retail and offices, Plough Road Battersea residential and student accommodation developments at Thomas Street, Montpelier Hill and Main Street Ballymun. Stephen was also Project Director for the restoration of the historic 14 Henrietta Street, Dublin 1 which won the ACEI Engineering Excellence Award for Medium Projects in 2019.

Associate Director

Mark Petho

BSc, MSc, CEng, MIStructE Chartered Engineer

Mark is a Chartered Structural Engineer who joined Barrett Mahony Consulting Engineers (BMCE) in 2015. Before joining BMCE, Mark gained valuable experience working with Canadian structural engineering consultancies and at one of Hungary's leading multidisciplinary engineering companies, specializing in the design of public buildings and highway bridges. Since joining BMCE, Mark has contributed to the structural design of numerous prestigious projects in London. Mark holds a master's degree in Structural and Geotechnical Engineering from the Budapest University of Technology and Economics and achieved chartered status with the Institute of Structural Engineers in 2020. His areas of expertise include bridge design, earthquake engineering, large-scale concrete and steel frame buildings, basement excavations, modular construction, and high-rise residential developments.

Associate Director

Philip Penco

BSc, ME, CEng, MIStructE Chartered Engineer

Philip joined Barrett Mahony London in 2015 after spending a year in the Dublin office. Since joining, Philip has been involved in a wide variety of projects across the UK covering the full spectrum of structural engineering work including residential, industrial, commercial, refurbishment/conservation and temporary works design.

Philip holds a master's degree in Structural Engineering from University College Dublin and achieved chartered status with the Institute of Structural Engineers in 2022.
Notable projects include The Castle, Acton (462 units), St Crispins House (684 beds), and Baddesley EfW Facility (10.5 MWe).

Financial Controller

Patricia Leyden

BA (Hons) in Accounting & Finance, Associate Chartered Management Accountant ACMA,CGMA

Patricia joined Barrett Mahony in 2014 as Financial Controller, bringing over 12 years’ accounting experience having previously worked in the Construction Industry in Ireland and New York. Patricia is a highly motivated talented financial professional responsible for managing the delivery of finance strategy including accounting, financial reporting, project reporting and overseeing daily financial aspects of the practice.