Sidney Costabile

Active Investor

Founding Partner at Deviation Capital

Brooklyn, New York

LinkedIn

Sidney Costabile, Founding Partner at Deviation Capital is an active investor based in Brooklyn, New York. This profile covers what Sidney Costabile backs, at which stage, and how founders can reach out in 2026.

Sidney Costabile is a Founding Partner at Deviation Capital, which invests in technical founders developing novel solutions.

Sidney Costabile invests in Hardware & Deep Tech and Artificial Intelligence, typically at Early Stage Venture.

Location
Brooklyn, New York
Typical check
$500K

What does Sidney Costabile invest in?

Investor type
VC
Stages
Early Stage Venture

Where is Sidney Costabile based?

Sidney Costabile is based in Brooklyn, New York.

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How to reach Sidney Costabile

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About this profile

This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.

Cite this page

Round Funded. "Sidney Costabile." Round Funded investor database, updated September 22, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/sidney-costabile

Frequently Asked Questions

Who is Sidney Costabile?

Sidney Costabile, Founding Partner at Deviation Capital is an active investor based in Brooklyn, New York. Sidney Costabile invests in Hardware & Deep Tech and Artificial Intelligence, typically at Early Stage Venture.

What does Sidney Costabile invest in?

Sidney Costabile invests in Hardware & Deep Tech and Artificial Intelligence, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Sidney Costabile invest at?

Sidney Costabile typically invests at Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Sidney Costabile's typical check size?

Sidney Costabile typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.

Where is Sidney Costabile based?

Sidney Costabile is based in Brooklyn, New York.

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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