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Oisín O'Sullivan

Oisín O'Sullivan

Founder & CEO of Dyle, Agentic AI for Account Management

New York, New York
Joined December 2025

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Summary

Oisín O'Sullivan is an entrepreneurial leader with a strong background in technology startups and management consulting. He founded Dyle, an Agentic AI company that optimizes customer success by analyzing product analytics and CRM data. His entrepreneurial journey began early, co-founding WiFiGuard at TCD LaunchBox and serving as President of the Trinity Entrepreneurial Society. irishtechnews+2
His expertise includes scaling high-growth tech companies and managing business operations. He notably led Klarna's launch in Ireland, securing their largest deal in 2021 and achieving significant transactional volume. Prior to his entrepreneurial endeavors, Oisín honed his strategic and operational skills as a consultant at Deloitte and KPMG and as Head of Operations at Absolute Ventures. wayup+2
Oisín's academic pursuits complement his professional experience, with education from prestigious institutions like MIT, Harvard Business School, Trinity College Dublin, and UC Berkeley. His recent focus at MIT on Agentic AI directly informed the development of Dyle. linkedin+1
He also has experience in angel investing, having written about the impact of the pandemic on the sector, highlighting trends in EdTech and MedTech. His work demonstrates a keen interest in technological innovation and its application in business. medium

Work

Education