Tim Sadler, Sequoia Capital Scout at Sequoia Capital is an active investor based in London, England. This profile covers what Tim Sadler backs, at which stage, and how founders can reach out in 2026.
Tim Sadler is the co-founder and CEO of Tessian, an AI-based cloud email security company acquired by Proofpoint, and is an angel investor in US and European startups.
Tim Sadler invests in Artificial Intelligence and Cybersecurity, typically at Seed and Early Stage Venture.
- Firm
- Sequoia Capital
- Investor type
- Angel
- Stages
- SeedEarly Stage Venture
- Invests in
- Artificial IntelligenceCybersecurity
- Location
- London, England
- Typical check
- $375K
How to reach Tim Sadler
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About this profile
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Cite this page
Round Funded. "Tim Sadler." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/tim-sadler
Frequently Asked Questions
Who is Tim Sadler?
Tim Sadler, Sequoia Capital Scout at Sequoia Capital is an active investor based in London, England. Tim Sadler invests in Artificial Intelligence and Cybersecurity, typically at Seed and Early Stage Venture.
What does Tim Sadler invest in?
Tim Sadler invests in Artificial Intelligence and Cybersecurity, typically at Seed and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Tim Sadler invest at?
Tim Sadler typically invests at Seed and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Tim Sadler's typical check size?
Tim Sadler typically writes checks around $375K. 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.