Leadership Team

Lisa O’Brien

Lisa O’Brien, has been the quantity surveyor (QS) on RTE’s popular ‘Room To Improve’ series for two years. Tasked with bringing her experience to bear and keeping the budgets in check. Room to Improve was the 16th most-watched TV series in Ireland last year, with an increasing audience, a widening demographic and program budgets growing with every season.


Besides ‘Room to Improve’ Lisa has a solid background in construction, graduating from Bolton St. DIT with a Diploma in Construction Technology and a Bachelor of Science Degree in Construction Economics. Graduating with an Honours degree and completing a Post Graduate Diploma in Applied Building Repair & Conservation in Trinity College.

She started her career with Healy Kelly and Partners (Turner and Townsend) a professional quantity surveying practice before moving on to the contracting side of the Industry working as Senior Surveyor on large-scale developments with blue chip companies such as G&T Crampton.

Lisa founded O’Brien Quantity Surveyors in 2006 providing a professional and personal service to both private clients and contractors. The client base has grown from private domestic clients to major international companies, from property developments, conservation, residential, and retail, to office fit-out and healthcare projects.

Lisa is a highly motivated individual and brings an innovative, pro-active, hands on and positive approach to all aspects of her work. Consistently delivering and exceeding client expectations on projects.

Brian Keating

Brian is a City and Guilds qualified Carpenter and an experienced Project Manager and Building Construction Professional with over 20 years solid construction experience.


Brian worked in Australia for several years returning to Ireland in 2015 to manage construction contracts on behalf of KO Mainham Developments Ireland, through one of the most challenging economic environments in memory. In his four years there the company remained profitable and continued to developed strong relationships with key partners and numerous development capital companies.

In 2017, Brian set up Brifin Homes with Lisa O’Brien, to focus exclusively on the growing Irish construction market, spearheading further expansion into new sectors of construction contracting and new home developments.

Brifin Management Structure