David Fischer
Angel Investor @ 01 Advisors
San Francisco, United States
David Fischer is a Partner of 01 Advisors.
- Total investments:
- 8
- Last investment:
- Lead investor:
- 13%
Last updated:
For AI agents: llms.txt
Industries David Fischer invests in
Stages David Fischer invests in
Countries David Fischer invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $1.2M–$6.8M
Investment Focus
Industry
- Software 2 (25%)
- Information Technology 2 (25%)
- Artificial Intelligence 2 (25%)
- Dating 1 (13%)
- EdTech 1 (13%)
Stage
- Seed 4 (50%)
- Series A 2 (25%)
- Funding Round 1 (13%)
- Venture - Series Unknown 1 (13%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Slashwork is reimagining professional communication through clarity, context, and human connection. | $3.5M / Seed / Feb 04, 2026 | ||
| Auxia is a composable, AI-based platform designed to help businesses accelerate product-led growth. It offers a suite of tools that help drive product growth, activate and engage customers, and monetize customer interactions. These tools also enable the creation and deployment of hyper-personalized campaigns and growth experiments, leveragingmachine learning models that adapt to user actions and preferences. | $23.5M / Series A / Mar 04, 2025 | ||
| Haus provides a marketing science platform that enables brands to conduct geo-experiments and measure the incrementality of their marketing investments. By focusing on real business outcomes rather than traditional metrics, Haus helps companies optimize their marketing spend effectively. The platform supports brands in making informed decisionsabout revenue, customer acquisition, and other key performance indicators. | $20M / Venture - Series Unknown / Jul 30, 2024 | ||
| Introducing @hotel - the pioneering Instagram-based Online Travel Agent (OTA) that is reshaping the way we engage with travel. With a robust community of over 50 million followers, we leverage the power of social commerce to bring our users unparalleled hotel deals across the globe's most sought-after destinations.We're not just abooking portal - we are architects of transformative experiences. Our mission is to rekindle our shared sense of curiosity, foster human connections, and create a global community united by the transformative power of travel. We believe that travel transcends boundaries and leaves an indelible impact on our lives—and we're here to facilitate that journey.At @hotel, we champion the concept of 'Radical Hospitality.' We treat each guest as an extension of our family, challenging the travel industry's complacency and offering a refreshingly exceptional customer service experience. Our dedicated team is committed to surpassing expectations, delivering personalized support that makes our guests feel genuinely cared for and valued. Our commitment to elevating the customer service experience is a critical differentiator for today's discerning traveler when it comes to choosing their booking platform of choice.We understand that the essence of travel is not just about reaching a destination, but about the journey itself. Join us at @hotel, where we're revolutionizing the travel landscape, one remarkable journey at a time. | $4M / Nov 29, 2023 | ||
| Lantern is a customer engagement automation platform to optimize upsell opportunities. | $6.8M / Seed / Jul 12, 2023 | ||
| Hinge is a social discovery network helping users meet new people through an application. Moreover, Hinge provides an alternative to swipe culture by creating smart matches and natural conversations among people who are on the same page. Founded in 2011, the company is headquartered in New York, New York, United States. | $4M / Seed / Nov 04, 2013 | ||
| Newsela is an Edtech startup that takes real and new content from trusted providers and turns it into learning materials. | $1.2M / Seed / Oct 09, 2013 | ||
| Hinge is a social discovery network helping users meet new people through an application. Moreover, Hinge provides an alternative to swipe culture by creating smart matches and natural conversations among people who are on the same page. Founded in 2011, the company is headquartered in New York, New York, United States. | Series A |
Co-Investors
About 01 Advisors
01 Advisors is a venture and advisory firm helping founders go from building a product to building a company. The firm was founded in 2018 and is headquartered in San Francisco, California.
01 Advisors Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Adam Bain
Co-Founder & Managing Partner
|
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Richard Costolo
Managing Partner & Co-Founder
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FAQ
What does David Fischer invest in?
David Fischer invests primarily in Software, Information Technology and Artificial Intelligence 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.
What round sizes does David Fischer invest in?
David Fischer typically joins rounds of $1.2M–$6.8M at Seed. These are whole funding-round sizes, not David Fischer's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds David Fischer took part in.
How do I contact David Fischer?
Public channels for David Fischer include LinkedIn. 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 David Fischer last invest?
The most recent investment recorded for David Fischer closed in Feb 2026. 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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