Sean Blanchfield

Active Investor

Chief Executive Officer at Jentic

Dublin, County Dublin

Sean Blanchfield, Chief Executive Officer at Jentic is an active investor based in Dublin, County Dublin. This profile covers what Sean Blanchfield backs, at which stage, and how founders can reach out in 2026.

Dr. Sean Blanchfield is a Co-Founder & serves as Chief Executive Officer at Jentic. Dr. Blanchfield is an Angel Investor. He Co-Founded and served as Chief Executive Officer at PageFair. He co-founded Phorest. He co-founded and served as the Chief Technology Officer at DemonWare, the technology provider that powered the massive multiplayer networks for the $11bn+ Call of Duty franchise. he led the technical development of the firm within the games industry. He holds a Ph.D. (Doctor of Philosophy) in Computer Science from Trinity College. He served as Advisor at Hail Studios. A seasoned entrepreneur and technology leader with over two decades of experience in founding and scaling successful tech companies. His experience spans from gaming infrastructure serving hundreds of millions of users to ad-tech platforms processing billions of impressions. A first-class honours graduate in Computer Engineering from Trinity College Dublin.

Investor type: Angel
Stages: Early Stage Venture
Invests in: SaaS & EnterpriseConsumer & RetailHR & Future of Work
Location: Dublin, County Dublin
Typical check: $500K
Past investments: 3

Notable investments

NDRCDepartment of Enterprise, Trade and EmploymentSwrve

How to reach Sean Blanchfield

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Frequently Asked Questions

What does Sean Blanchfield invest in?

Sean Blanchfield invests in SaaS & Enterprise, Consumer & Retail and HR & Future of Work, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.