Conal O’Donnell, Senior Vice President and Country Head, Ireland leads Presidio’s team in Ireland in helping our customers solve complex challenges and deliver meaningful business outcomes. Our Irish business combines trusted local expertise built up over 30 years with global scale and deep technical expertise from the wider Presidio Group. Conal has over twenty years of experience in the Telcom and Tech sectors and prior to joining Presidio in 2019, Conal held senior leadership roles with the Digicel Group, PwC and Netwatch. Conal holds an MBS in Accounting from Dublin City University and is a Fellow of Chartered Accountants Ireland.

Chris was a founding partner of transACT Technology Solutions and responsible for Commercial and Operations in the UK . Chris has worked in the industry for over 30 years bringing a wealth of experience to the role having previously held senior help leadership positions at Basilica Computing and BT.

Gavin is an accomplished technology sales leader and entrepreneur with more than 30 years of experience driving growth across telecommunications, cloud and digital transformation. He currently leads sales for Presidio UK, helping to expand the company’s presence, deepen strategic customer relationships and connect UK organisations with Presidio’s global technology and services capabilities.
Earlier in his career, Gavin held senior commercial positions at BT, including Sales Director. He went on to co-found transACT Technology Solutions, where he led the company’s sales strategy and helped build the business into a UK digital-transformation specialist serving mid-market, enterprise and multinational customers.

Costa leads services in the UK, with responsibility for service operations and supporting growth across key sectors. He is part of the leadership team shaping Presidio’s UK services business as it scales.

Yvonne Meijerhof is Vice President of Marketing for Presidio UK & Ireland, leading marketing strategy, brand and growth initiatives across the region. She leverages market insight, customer intelligence, and industry trends to develop distinctive marketing strategies that drive business growth, strengthen customer engagement, and create lasting value.

Prior to joining Presidio, Yvonne held leadership roles with Ergo, Dell Technologies, and CGI, building extensive experience across marketing strategy, go-to-market execution and service commercialization. She holds a Master of Science in Applied Mathematics, Business and Computer Science from Vrije Universiteit Amsterdam and a Diploma in Company Direction.

Shelah McMahon is Vice President of Sales Ireland at Presidio, leading the company’s sales organisation across Ireland. Prior to this role, she served as Director of Public Sector at Ergo, where she led the Public Sector Centre of Excellence and helped secure the company’s position on major government procurement frameworks across the Republic of Ireland. Previously, Shelah was Head of Public Sector Sales at Vodafone Ireland. She holds a Bachelor’s degree in Social Science from University College Dublin.

Aonghus O’Neill is Vice President of Customer Success and Growth at Presidio, responsible for driving customer value, long-term partnerships, and business growth across Ireland. Prior to this role, he served as Chief Revenue Officer at Ergo following the acquisition of Asystec in 2022, where he played a key role in accelerating growth and strengthening strategic client relationships. With more than 20 years of experience across the technology and financial services sectors, Aonghus brings extensive expertise in sales leadership, customer success, and business growth.