# Sim Blaustein

> Sim Blaustein is a Series A investor at 1745 Ventures (New York) backing Internet and Software. See 6 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [1745 Ventures](https://shizune.co/investors/profile/bertelsmann-digital-media-investments)
- Location: New York, United States
- Total investments: 6
- Last investment: Feb 2024
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/simblaustein/
- X (Twitter): https://twitter.com/sblaustein
- Website: https://x.com/sblaustein
- Facebook: https://www.facebook.com/sblaustein

Sim Blaustein is a Series A investor at 1745 Ventures in New York focused on Internet and Software. Sim Blaustein is based out of Brooklyn, New York and is the Board Member of the Board of Directors of Atlas Obscura. Sim previously worked at Third Kind Venture Capital as Co-Founder. Sim Blaustein attended MIT - Sloan School of Management.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Internet | 2 | 33% |
| Software | 2 | 33% |
| Analytics | 2 | 33% |
| Advertising | 2 | 33% |
| Information Technology | 2 | 33% |

14 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 3 | 50% |
| Seed | 1 | 17% |
| Series C | 1 | 17% |
| Convertible Note | 1 | 17% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| tvScientific | TvScientific is a CTV platform that makes TV advertising accessible and measurable for brands and apps of all sizes. TvScientific leverages data to prove the actual value of TV advertising and simplifies and automates CTV buying and optimization. TvScientific provides actionable, real-time reporting so people may feel confident their campaigns areperforming at their peak levels. Users may gain insightful information about the incremental value of CTV campaigns from the Always-On Incrementality testing feature, which gives them further confidence that they are generating the desired results. | $9.4M | Convertible Note | Feb 28, 2024 |  |
| Antenna | Antenna provides best-in-class market intelligence to direct-to-consumer subscription businesses. Antenna is a data and analytics startup that aims to expand knowledge of subscriber behavior so brands can entertain, inspire, and empower the world. It provides industry and competitive benchmarks across key metrics so their customers can know ‘whatgood looks like’, market intelligence so they can learn how to build a best-in-class business, and insights to inform their strategic decision-making. | $10M | Series A | Feb 01, 2022 |  |
| Suzy | Headquartered in New York City, Suzy is a technology platform that harnesses collective insights from millions of consumers worldwide to deliver real-time intelligence. Suzy is the voice of consumers, helping companies validate critical assumptions so they can create compelling new products, develop effective marketing strategies, and validatedirect offers that increase conversion, improve path-to-purchase, and drive growth. The company is backed by Foundry Group Tribeca Venture Partners, and The Durant Company among others, and trusted by Fortune 500s and challenger brands alike - including Netflix, Coca-Cola, Procter & Gamble, Johnson & Johnson, Citibank, Verizon, Nintendo, and Nestle, among others. Millions of business decisions are made every day based on untested assumptions, Suzy gives companies an unprecedented direct line of communication to their customers on demand; helping them instantly validate anything, anytime, anywhere. | $12M | Series C | Feb 04, 2020 |  |
| Inverse | At Inverse, we obsess over one question: What could happen next? To provide answers — and there are many — we search out emerging ideas, new technologies, and simmering trends as well as fearless innovators, designers, and thinkers. We’re compulsively curious not only because we’re fans of progress, but also because we want a glimpse of the futureand the chance to better plan for and enjoy tomorrow. | $6M | Series A | Sep 26, 2016 |  |
| Pathmatics | Pathmatics is a marketing platform that gives visibility to the digital ad performance of brands, their competitors, and entire industries. It turns the world’s marketing data into actionable insights as consumption rapidly shifts to digital, media decisions have become too complex and opaque. It brings together display, social, video, mobile, andnative advertising data, helping users to optimize media and marketing decisions. Brands and agencies get access to the creative used by all advertisers, spend and impression data, and path from publisher to viewer. This empowers them to minimize waste from their budgets, better position their marketing, and predict the next moves of their competitors. Pathmatics data powers Nielsen’s digital ad intelligence offering, Kantar Media’s Facebook intelligence, and is used by agencies like Mindshare, Mediacom, and Possible. Pathmatics was founded in 2011 and is headquartered in Santa Monica, California, and is backed by Upfront Ventures, BDMI, and Baroda Ventures. | $3M | Series A | Mar 02, 2016 |  |
| Inverse | At Inverse, we obsess over one question: What could happen next? To provide answers — and there are many — we search out emerging ideas, new technologies, and simmering trends as well as fearless innovators, designers, and thinkers. We’re compulsively curious not only because we’re fans of progress, but also because we want a glimpse of the futureand the chance to better plan for and enjoy tomorrow. |  | Seed | Aug 12, 2015 |  |

6 of 6 investments shown.

## Co-investors
- [S4S Ventures](https://shizune.co/investors/profile/s4s-ventures) — VC Fund, 2 deals together
- [Bialla Venture Partners](https://shizune.co/investors/profile/bialla-venture-partners) — VC Fund, 1 deal together
- [Crosslink Capital](https://shizune.co/investors/profile/crosslink-capital) — VC Fund, 1 deal together
- [Foundry Group](https://shizune.co/investors/profile/foundry-group) — VC Fund, 1 deal together
- [Foundry Group](https://shizune.co/investors/profile/foundryvc) — VC Fund, 1 deal together
- [Grit Capital](https://shizune.co/investors/profile/grit-capital-0146) — VC Fund, 1 deal together

## About 1745 Ventures

VC Fund · New York, United States

BDMI is a venture capital firm headquartered in New York focused on innovative digital media technologies, products, and distribution channels in North America, Europe and Israel. BDMI concentrates on early stage investments in the digital media landscape. The company focuses predominantly on Series A and B investments, but also has a seed fundthat includes about 20 companies. The initial investment range is from $500k to $3m. We look for opportunities where we can accelerate growth through BDMI’s financial and management resources and close connectivity with one or more Bertelsmann divisions. With consolidated revenues of over $25 billion, Bertelsmann is an international media company encompassing television (RTL Group), book publishing (Penguin Random House), magazine publishing (Gruner + Jahr), music (BMG) and media services (Arvato) in more than 60 countries. Due to the vast resources of Bertelsmann SE & Co. KGaA, BDMI is an investor that provides not only capital, but can also support startups by using its network of diverse contacts at Bertelsmann and in the broader media world.

3 contacts available at 1745 Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Sim Blaustein | Partner | https://shizune.co/investors/profile/sim-blaustein |
| Daniel Bok | VC Investor | https://shizune.co/investors/profile/daniel-bok |
| Urs Cete | Co-Founder & Managing Partner | https://shizune.co/investors/profile/urs-cete |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does Sim Blaustein invest in?

Sim Blaustein invests primarily in Internet, Software and Analytics startups, most often at Series A and Seed stage. Most of the 6 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Sim Blaustein last invest?

The most recent investment recorded for Sim Blaustein closed in Feb 2024. Shizune tracks 6 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co
