Thabet Mahayni
Principal at Definition
New York City, New York
Thabet Mahayni, Principal at Definition is an active investor based in New York City, New York. This profile covers what Thabet Mahayni backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCPEInvestor
- Stages
- Series B
- Invests in
- FintechSaaS & EnterpriseManufacturing & IndustrialInsurTechFoodTech & AgricultureDigital Health & HealthTechMarketing & AdTechHR & Future of Work
- Location
- New York City, New York
- Typical check
- $3M
- Past investments
- 93
Notable investments
MX Technologies
Rocket.Chat
RoadRunner Recycling
Pie Insurance
AllsetHamsaPay
Sapphire DigitalPodsights
Blueboard
ClosedLoop.ai
LumaTax
CraftHow to reach Thabet Mahayni
Angels and operators like Thabet Mahayni reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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Cite this page
Round Funded. "Thabet Mahayni." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/thabet-mahayni
Frequently Asked Questions
What does Thabet Mahayni invest in?
Thabet Mahayni invests in Fintech, SaaS & Enterprise, Manufacturing & Industrial and InsurTech, typically at Series B. Match your sector and stage, then reach out with a personalized pitch.
What stage does Thabet Mahayni invest at?
Thabet Mahayni typically invests at Series B. Lead with traction that fits the stage when you reach out.
What is Thabet Mahayni's typical check size?
Thabet Mahayni typically writes checks around $3M. 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.