Tim O'Connell Partner – Head of Aviation Advisory Dublin, City Quay +353 1 500 8125


Tim joined Grant Thornton in 2016 and leads our Aviation Advisory team and became Partner in 2020. He has both domestic and international experience working with the worlds largest aircraft leasing companies and airlines.

Sector Experience

Tim is experienced in transaction due-diligence, financial modelling with a focus on maintenance related cashflows, deep-dive contract reviews, internal audit, system integrations and data migrations. He has worked on a wide variety of projects, including lease/buy/hold analysis for large portfolios of commercial aircraft, fleet deployment optimisation models, maintenance reserve fund recalculation, SOx 404 testing and rating agency issuer rating reviews.

Tim is firmly of the belief that aviation advisory should be provided through a cohesive, integrated team of cross-function specialists working exclusively within the industry. 

  • Accountant (GCMA) professional qualification
  • Master of Business Administration (MBA) from Michael Smurfit Graduate Business School, UCD
  • Qualified Engineer (CEng) from University College Cork (UCC)