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Mary O'Neill

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Mary advises on a range of asset finance transactions.  Mary's expertise includes advising financial institutions, private equity investors, operating lessors and airlines on a range of structures, including asset backed securitisations, aviation platform establishment, warehouse financings, portfolio asset sales & purchases, operating & finance lease structures as well as export credit agency facilities.  Mary has an extensive aviation industry background having worked in this sector for many years and brings a wealth of sectoral knowledge to her role as counsel.


Mary joined the Maples Group in 2014.  Prior to that, Mary spent nine years with Citibank in their international trade division (including a secondment to South Africa), most recently working on aviation export credit agency structures. Mary qualified at Biddle & Co. in London in 1998 and also worked at a large Irish law firm prior to joining Citibank.

Mary enters the Chambers Global 2021 rankings following recognition for her experience in asset finance, with market commentators describing her as "responsive and knowledgeable."  


1998 - Admitted as a solicitor in England and Wales (not practising as an English solicitor)

2000 - Admitted as a solicitor in Ireland


Asset Finance


Acquisition & Leveraged Financing

Debt Capital Markets


University of Cambridge, LLM, 1994

Trinity College Dublin, LLB, 1993


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