Barry Sullivan

Active Investor

Staff Software Engineer at Whatnot

Ireland

Barry Sullivan, Staff Software Engineer at Whatnot is an active investor based in Ireland. This profile covers what Barry Sullivan backs, at which stage, and how founders can reach out in 2026.

Mr. Barry O'Sullivan is an Angel Investor. Mr. O'Sullivan co-founded and served as the Chief Technology Officer at Boss Metrics.

Investor type: Angel
Stages: Early Stage VenturePre Seed
Invests in: Consumer & RetailConsumer Goods (CPG)E-commerce & D2CFashion & BeautyHardware & Deep TechMedia & ContentMarketplace
Location: Ireland
Typical check: $275K
Past investments: 2

Notable investments

BPerfect CosmeticsStreamGlider

How to reach Barry Sullivan

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Frequently Asked Questions

What does Barry Sullivan invest in?

Barry Sullivan invests in Consumer & Retail, Consumer Goods (CPG), E-commerce & D2C and Fashion & Beauty, typically at Early Stage Venture and Pre Seed. Match your sector and stage, then reach out with a personalized pitch.