Laine Campbell, Principal at AppendOnly Ventures is an active investor based in Porto, Porto. This profile covers what Laine Campbell backs, at which stage, and how founders can reach out in 2026.
Laine Campbell is an engineering executive with extensive experience leading and managing distributed teams of operations, reliability, and software engineers.
Laine Campbell invests in SaaS & Enterprise, Developer Tools & Data and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.
- Investor type
- VC
- Stages
- SeedSeries AEarly Stage Venture
- Invests in
- SaaS & EnterpriseDeveloper Tools & DataArtificial Intelligence
- Location
- Porto, Porto
- Typical check
- $500K
How to reach Laine Campbell
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Round Funded. "Laine Campbell." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/laine-campbell
Frequently Asked Questions
Who is Laine Campbell?
Laine Campbell, Principal at AppendOnly Ventures is an active investor based in Porto, Porto. Laine Campbell invests in SaaS & Enterprise, Developer Tools & Data and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture.
What does Laine Campbell invest in?
Laine Campbell invests in SaaS & Enterprise, Developer Tools & Data and Artificial Intelligence, typically at Seed, Series A and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Laine Campbell invest at?
Laine Campbell typically invests at Seed, Series A and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Laine Campbell's typical check size?
Laine Campbell typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.