Sean Blanchfield
Chief Executive Officer at Techpreneurs
Dublin, Ireland
Summary
👤
Senior🎓
Top SchoolSean Blanchfield is a serial technology entrepreneur and CEO based in Dublin, best known for co-founding DemonWare—the networking platform behind Call of Duty—and for pioneering the industry response to ad blocking with PageFair. He has repeatedly built and scaled technical teams and products that were acquired by major players (Activision Blizzard, Blockthrough, GameStop) and now leads Jentic, an integration layer for AI agents. Sean combines deep distributed-systems expertise from Trinity College with hands-on CTO experience across gaming, adtech and SaaS, and he has a track record of turning research-grade ideas into production platforms serving hundreds of millions of users. Beyond startups, he shapes national AI policy as a member of Ireland’s AI Advisory Council and has advised the NDRC on AI readiness. A practical networker, he founded Techpreneurs to mentor and connect Dublin founders, reflecting a belief in community-driven startup growth. An uncommon throughline in his career is repeatedly translating complex, large-scale online systems into commercially successful products.
9 years of coding experience
10 years of employment as a software developer
Leaving Certificate, Leaving Certificate at Greenshills Comprehensive CollegePhD Candidate, Computer Science, PhD Candidate, Computer Science at Trinity College Dublin
Github Skills (64)
mjpeg10
python10
mqtt10
homekit10
ngrok10
camera10
iot10
automation10
privacy10
home-assistant10
raspberry-pi10
rtsp-server10
home-automation10
h2649
ffmpeg9
Programming languages (8)
Github contributions (5)
seanblanchfield/smartthings-zipato-rfid
Mar 2017 - Oct 2020
Contributions:10 commits, 9 pushes, 1 branch in 3 years 7 months
seanblanchfield/seans-homeassistant-addons
Aug 2023 - Jul 2024
Contributions:2 reviews, 1 PR, 20 pushes in 11 months
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