Diann is a Partner in the Corporate and Commercial team at Flynn O’Driscoll LLP.

Diann advises international and domestic clients on a diverse range of corporate and commercial legal issues, including mergers and acquisitions, private equity and venture capital investments, corporate restructurings, corporate governance and general commercial matters.


Having worked in the legal department of the Irish concentrates division of The Coca-Cola Company, Diann joined Flynn O’Driscoll LLP in 2012.

Diann specialises primarily in mergers and acquisitions and private equity and venture capital investments and advises clients both in the domestic market and on international deals with an Irish dimension.

In addition to her transaction focused work, Diann advises on corporate restructurings, business structure and formation, corporate governance and compliance, joint ventures and shareholder arrangements, as well as commercial contracts.

Diann advises leading Irish and international clients, to include private companies, private equity funds, angel investment groups and entrepreneurs, across a variety of business and industry sectors, including healthcare, technology, and food.


  • Adviser to a number of private investors on a €30m Series A investment round in a Medtech company.
  • Adviser to two venture capital funds on a €2m Seed investment round in an IT company.
  • Adviser to a number of private investors on a €8.5m Series A investment round in a Medtech company.
  • Adviser to an early-stage technology company on its combined €8.7m Seed and pre-Series A equity and convertible debt fundraisings.
  • Adviser to an early-stage food company on its pre-Seed and Seed fundraising rounds.
  • Adviser to the shareholders of a voice and data services IT company on the sale of the company.
  • Adviser to a multinational renewable electricity and natural gas company in the auction sale of its Irish group.
  • Adviser to a telecommunications company on the restructure of its business and group.
  • Adviser to a private company in the fitness industry on the restructure of its business and group.
  • Adviser to a private company on its debt fundraising and related secured lending transactions.
  • Adviser to a property development group on a number of equity and debt financing rounds.


  • Bachelor of Laws, NUI Galway
  • Masters in Commercial Law, University College Dublin
  • Admitted as a Solicitor, Law Society of Ireland
  • Admitted as a Solicitor, England & Wales


  • Law Society of Ireland

Flynn O'Driscoll is a very pragmatic and commercial law firm.

Chambers Global, 2024

The law firm has good breadth and depth across a wide range of legal activities. The department works well to access required skill sets and experience among the team

Chambers Global, 2024

‘Solution driven team, providing strong support and guidance to clients. Problem solvers, commercially focused and very reliable.’

Legal 500 EMEA

‘The team at Flynn O’Driscoll approach every assignment I have worked with them on in a very practical, commercial and business-focused way. This has led to better outcomes for clients as the advice and guidance is centred on the end result and desired outcomes. This approach is underpinned by a highly technical and sector knowledgeable team of individuals that bring their input at the right time in a seamless manner.’

Legal 500 EMEA 2022

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