Deloitte Ireland has appointed nine new partners across the technology & transformation, tax & legal, audit & assurance, strategy, risk & transaction advisory, and enabling areas of its business.

The Big Four firm said the appointments reflect its strategy to expand capability, drive innovation and be the go-to strategic partner for clients across every sector.

“We are not just responding to change, we are helping to shape it,” explains Harry Goddard, CEO of Deloitte Ireland.

“In a world marked by uncertainty and disruption, our clients are looking for exceptional leadership, as well as clarity and edge."

"These new partners bring exactly that and add to our already exceptional leadership network. They represent the next generation of strategic advisors, positioned to help clients act decisively, transform confidently, and build for the long term.

"This is a proud moment for them as well as for me, and it’s a powerful signal about the direction of our firm right now.” 

The latest appointments signal the organisation’s recent strategic investment in people, innovation and future-facing capability across public and private sectors.

Four of the nine new partners are women. The world's largest professional services firm seeks to achieve gender balance at all levels.

“These appointments show where we’re going as a firm,” said Goddard.

“We’re increasing our ambition, doubling down on our commitment to equity and evolving our leadership to meet the future head-on.

"There has never been a more exciting and more meaningful time to become a partner at Deloitte.” 

Aoife Bayne has been appointed partner in strategy, risk & transactions advisory. Bayne leads Deloitte Ireland’s financial risk management offering, bringing 20 years of experience in both domestic and international banking.

She specialises in prudential risk management, quantitative modelling and regulatory engagement. Her background in mathematics and financial services enables her to identify emerging issues and help clients make data-informed decisions.

Bayne is known for blending strategic insight with a strong grasp of technical detail to guide clients through regulatory complexity. 

Aisling Cronin has been made a partner in technology & transformation. She has deep sector experience in healthcare and life sciences, and she supports senior executives in defining and delivering business value through digital and organisational change.

Cronin works closely with technology leaders to build roadmaps, shape vision and align strategic investments. She is a graduate of Trinity College Dublin (Management Science & Information Systems Studies) and is certified in leadership, IT strategy, and data analysis. She is also an active advocate for diversity and gender equity. 

Grace Cunningham has also been appointed a partner in technology & transformation. She has deep experience leading large-scale public sector transformation programmes.

Cunningham specialises in complex business change, particularly within health and social care, and has also worked across justice and central government sectors.

Cunningham brings an international perspective from her time in New Zealand’s public sector. She holds a Law degree from University College Cork and a Master’s in Management from University College Dublin. 

Ailbhe Flynn has been made a partner in audit & assurance. She provides services to clients with a focus on investment management industry.

Flynn also has extensive experience across risk, accounting, advisory and audit services and is a trusted advisor to many of our investment management clients and their service providers.

She is a fellow of the Institute of Chartered Accountants in Ireland and is recognised for her commercial approach, technical strength and commitment to team development. 

Sean Gascoine has also been appointed as partner in audit & assurance. He a leader in the investment management team, within Deloitte Ireland’s audit & assurance practice.

Gascoine provides audit and advisory services to some of the world’s largest asset managers and service providers, bringing particular expertise in exchange traded funds (ETFs), fund structures and global investment regulations. 

Also well-versed in IFRS, FRS 102 and US GAAP reporting, Gascoine is a member of Chartered Accountants Ireland and is known for delivering sharp client insight in an evolving sector. 

Paul Kerrigan, a solicitor with over 20 years of experience in legal and risk advisory within professional services, has been appointed partner in enabling areas.

Since joining Deloitte in 2017, he has led the firm’s legal and risk functions and holds additional leadership roles at the European level. His expertise supports the firm’s ability to manage complexity, uphold governance standards and enable quality across all services.

Kerrigan is a board member of LauraLynn, Ireland’s Children’s Hospice, and sits on the Audit & Risk Committee of the Corporate Enforcement Authority. 

Dominic McNeill, a newly appointed partner in tax & legal, is a senior advisor in Deloitte Ireland’s Transfer Pricing team, with over nine years of experience in international tax and financial services.

He holds a BSc in Finance from Queen’s University Belfast and has earned the ADIT Transfer Pricing Certificate. McNeill has previously held senior roles in other Big Four firms and has advised clients in banking, asset management, aviation leasing, real estate, and consumer products.

He contributes regularly to Irish Tax Institute training and publications and is known for his technical depth and commercial acumen. 

Jake O'Sullivan is a senior forensic accountant with 12 years of experience helping clients across industries respond to fraud, regulatory investigations and litigation.

Appointed as a partner in Deloitte's strategy, risk & transactions advisory practice, O'Sullivan has led multi-jurisdictional, high-profile assignments for clients in tech, government, financial services, telecoms and beyond.

O'Sullivan combines subject matter expertise with a pragmatic, tech-enabled approach. He is a member of Chartered Accountants Ireland and the Association of Certified Fraud Examiners (CFE), and holds a first-class honours degree in Commerce (International) with French from University College Cork. 

Finally, Ciarán Treacy has been appointed as a partner in audit & assurance. He is a leader on the firm's controls assurance teams as well as an ACCA-qualified accountant with 20 years of experience.

Since joining the firm in 2007, Treacy has specialised in helping clients establish and mature their governance, risk, and compliance capabilities.

He leads Deloitte’s national “Future of Controls” offering and supports clients in SOX readiness, internal audit and risk control design, often working with cross-functional and international teams. His client base includes some of the firm’s most significant corporate and PLC clients. 

Photo: (front row l-r) Aoife Bayne, Paul Kerrigan, Sean Gascoine, Grace Cunningham. (Back row l-r) Dominic McNeill, Ailbhe Flynn, Harry Goddard, Jake O’Sullivan, Aisling Cronin, Ciarán Treacy. (Pic: Jason Clarke)