Mario Cibelli

Active Investor

Managing Partner at Marathon Partners Equity Management, LLC

New York, United States

Mario Cibelli, Managing Partner at Marathon Partners Equity Management, LLC is an active investor based in New York, United States. This profile covers what Mario Cibelli backs, at which stage, and how founders can reach out in 2026.

Marathon Partners Equity Management is an equity management firm that employs a long-term oriented, long-biased, concentrated investment style.

Mario Cibelli invests in Consumer & Retail and Fintech, typically at Late Stage Venture.

Location
New York, United States
Typical check
$7M

What does Mario Cibelli invest in?

Investor type
PEVC
Stages
Late Stage Venture

Where is Mario Cibelli based?

Mario Cibelli is based in New York, United States.

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How to reach Mario Cibelli

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Round Funded. "Mario Cibelli." Round Funded investor database, updated September 22, 2026.

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Frequently Asked Questions

Who is Mario Cibelli?

Mario Cibelli, Managing Partner at Marathon Partners Equity Management, LLC is an active investor based in New York, United States. Mario Cibelli invests in Consumer & Retail and Fintech, typically at Late Stage Venture.

What does Mario Cibelli invest in?

Mario Cibelli invests in Consumer & Retail and Fintech, typically at Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Mario Cibelli invest at?

Mario Cibelli typically invests at Late Stage Venture. Lead with traction that fits the stage when you reach out.

What is Mario Cibelli's typical check size?

Mario Cibelli typically writes checks around $7M. Use it as a signal for whether your raise fits their stage.

Where is Mario Cibelli based?

Mario Cibelli is based in New York, United States.

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.

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