Sim Blaustein

Active Investor

Founding Partner at 1745 Ventures

Brooklyn, New York

LinkedIn

Sim Blaustein, Founding Partner at 1745 Ventures is an active investor based in Brooklyn, New York. This profile covers what Sim Blaustein backs, at which stage, and how founders can reach out in 2026.

Sim Blaustein is a Founding Partner at 1745 Ventures with prior experience at Bertelsmann's BDMI and High Line Venture Partners.

Sim Blaustein invests in SaaS & Enterprise, Fintech and Media & Content, typically at Seed and Early Stage Venture.

Location
Brooklyn, New York
Typical check
$375K

What does Sim Blaustein invest in?

Investor type
VC
Stages
SeedEarly Stage Venture

Where is Sim Blaustein based?

Sim Blaustein is based in Brooklyn, New York.

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How to reach Sim Blaustein

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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. "Sim Blaustein." Round Funded investor database, updated September 22, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/sim-blaustein-brooklyn

Frequently Asked Questions

Who is Sim Blaustein?

Sim Blaustein, Founding Partner at 1745 Ventures is an active investor based in Brooklyn, New York. Sim Blaustein invests in SaaS & Enterprise, Fintech and Media & Content, typically at Seed and Early Stage Venture.

What does Sim Blaustein invest in?

Sim Blaustein invests in SaaS & Enterprise, Fintech and Media & Content, typically at Seed and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Sim Blaustein invest at?

Sim Blaustein typically invests at Seed and Early Stage Venture. Lead with traction that fits the stage when you reach out.

What is Sim Blaustein's typical check size?

Sim Blaustein typically writes checks around $375K. Use it as a signal for whether your raise fits their stage.

Where is Sim Blaustein based?

Sim Blaustein 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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