Jason Ostheimer
Co-Founder and Partner @ Advancit Capital
New York, United States
Jason Ostheimer is a seed investor at Advancit Capital in New York focused on Digital Media and Mobile. Jason is a Co-Founder and Co-Managing Partner of Advancit Capital. He also advises management at National Amusements Inc. to help identify emerging technologies that enhance the consumer experience for the company’s brands. Previously, Jason served as a Vice President at The Blackstone Group, a global investment firm.Jason currently serves on theBoard of Directors of Known, a modern marketing company that uses data science, strategy, and world-class creativity for top brands. He graduated summa cum laude from the University of Pennsylvania where he received a B.S. in Economics from The Wharton School with a concentration in Finance. Jason is involved with several charitable organizations and currently serves as a Director of the Board of the Gift of Life.
- Total investments:
- 8
- Last investment:
- Lead investor:
- 25%
Last updated:
For AI agents: llms.txt
Industries Jason Ostheimer invests in
Stages Jason Ostheimer invests in
Countries Jason Ostheimer invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Digital Media 2 (25%)
- Mobile 1 (13%)
- FinTech 1 (13%)
- Lifestyle 1 (13%)
- Messaging 1 (13%)
Stage
- Seed 3 (38%)
- Series A 1 (13%)
- Series B 1 (13%)
- Series C 1 (13%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Sanctuary is a mystical products and services company that provides illuminating experiences to millennials. Sanctuary’s daily horoscopes, planetary transits, and real-time chart readings are written and performed by professional astrologers. Sanctuary’s offerings provide members with a full spectrum of cosmic insights. | $3M / Seed / May 10, 2021 | ||
| Public.com is the fractional investing platform where members build modern portfolios of stocks & ETFs, crypto & NFTs, art & collectibles. | $65M / Series C / Dec 15, 2020 | ||
| Public.com is the fractional investing platform where members build modern portfolios of stocks & ETFs, crypto & NFTs, art & collectibles. | $15M / Series B / Mar 02, 2020 | ||
| Sanctuary is a mystical products and services company that provides illuminating experiences to millennials. Sanctuary’s daily horoscopes, planetary transits, and real-time chart readings are written and performed by professional astrologers. Sanctuary’s offerings provide members with a full spectrum of cosmic insights. | $2M / Seed / Oct 01, 2019 | ||
| Public.com is the fractional investing platform where members build modern portfolios of stocks & ETFs, crypto & NFTs, art & collectibles. | $6.5M / Series A / Mar 27, 2019 | ||
| ROAM is a global community for the next generation adventurer. | $2.1M / Seed / Nov 02, 2018 | ||
| Sanctuary is a mystical products and services company that provides illuminating experiences to millennials. Sanctuary’s daily horoscopes, planetary transits, and real-time chart readings are written and performed by professional astrologers. Sanctuary’s offerings provide members with a full spectrum of cosmic insights. | $1.5M / Seed / Dec 07, 2017 | ||
| Lua specializes in powering HIPAA compliant messaging for the healthcare industry. It offers a mobile coordination solution that provides immediate access to the people and information needed to get a job done, anywhere. The company was founded in 2011 and is headquartered in New York, New York. | $2.5M / Seed / Jul 01, 2012 |
Co-Investors
About Advancit Capital
Advancit Capital is an early-stage investment firm focused on media, entertainment, and technology companies. The firm seeks the opportunity to form long-term partnerships with talented, focused, and driven entrepreneurs. With its strategic and industry expertise, Advancit Capital provides value-added resources at the critical growth stages of companies.
Advancit Capital Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Jonathan Miller
Partner
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Jason Ostheimer
Co-Founder and Partner
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Shari Redstone
Co-Founder & Managing Partner
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FAQ
What does Jason Ostheimer invest in?
Jason Ostheimer invests primarily in Digital Media, Mobile and FinTech startups, most often at Seed and Series A stage. Most of the 8 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Jason Ostheimer?
Public channels for Jason Ostheimer include LinkedIn and X (Twitter). For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Jason Ostheimer last invest?
The most recent investment recorded for Jason Ostheimer closed in May 2021. Shizune tracks 8 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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