# David Spector

> David Spector is a seed investor backing E-Commerce and Mobile. See 25 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Location: San Francisco, United States
- Total investments: 25
- Last investment: Nov 2025
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/dspec/
- X (Twitter): http://twitter.com/dspector
- Website: https://pitchbook.com/profiles/investor/105897-52
- Facebook: https://www.facebook.com/davespector

David Spector is an entrepreneur. He founded and runs ThirdLove with his wife, Heidi Zak.They received the Entrepreneur of the Year Award 2019 for Northern California. ThirdLove has grown to become the third largest online intimate apparel brand in the US behind VS and Aerie (as ranked by NPD). Before starting the company, David was a partner atSequoia Capital focusing on e-commerce, analytics, and consumer internet investments. A graduate of Tulane University where he earned his BA and his MBA from MIT Sloan.

## Contacts

5 contacts available for David Spector: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/david-spector?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1M–$4.6M |
| Series A | $3M–$250M |
| Series B | $40M–$140M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| E-Commerce | 5 | 20% |
| Mobile | 4 | 16% |
| Artificial Intelligence | 4 | 16% |
| Retail | 2 | 8% |
| Fashion | 2 | 8% |

66 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 12 | 48% |
| Series A | 8 | 32% |
| Series B | 2 | 8% |
| Series C | 2 | 8% |
| Angel | 1 | 4% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| BluePill | BluePill AI platform enables brands to test products, messaging, and creative concepts in minutes. | $6M | Seed | Nov 17, 2025 | https://blue-pill.ai/ |
| Capchase | Capchase is a fintech company that provides financial solutions to startups by allowing access to funds as they grow. | $4.6M | Seed | Mar 01, 2020 | http://www.capchase.com |
| Attentive | Attentive is the leader in conversational commerce, reinventing business to consumer communication. The SMS-first software platform helps everyone from entrepreneurs to enterprises strengthen relationships with their consumers in a new way. | $70M | Series C | Jan 29, 2020 | https://attentivemobile.com/ |
| Relativity Space | Relativity Space is an aerospace company that designs, develops, and builds 3D-printed rockets. a vertically integrated technology platform, Relativity is at the forefront of an inevitable shift toward software-defined manufacturing by fusing 3D printing, artificial intelligence, and autonomous robotics. It offers a radically simplified supplychain, building a rocket with 100x fewer parts in less than 60 days. Relativity Space is backed by leading investors including Bond, Tribe Capital, Playground Global, Y Combinator, Social Capital, and Mark Cuban. | $140M | Series C | Oct 01, 2019 | http://relativityspace.com |
| Zoox | Zoox is a California based robotics company founded by Tim Kentley-Klay and Dr. Jesse Levinson to create autonomous mobility. Operating at the intersection of design, computer science, and electro-mechanical engineering, Zoox is a multidisciplinary team working to imagine and build an advanced mobility experience that will support the future needsof urban mobility for both people and the environment. | $250M | Series A | Oct 04, 2016 | https://www.zoox.com/ |
| Relativity Space | Relativity Space is an aerospace company that designs, develops, and builds 3D-printed rockets. a vertically integrated technology platform, Relativity is at the forefront of an inevitable shift toward software-defined manufacturing by fusing 3D printing, artificial intelligence, and autonomous robotics. It offers a radically simplified supplychain, building a rocket with 100x fewer parts in less than 60 days. Relativity Space is backed by leading investors including Bond, Tribe Capital, Playground Global, Y Combinator, Social Capital, and Mark Cuban. | $10.1M | Series A | Jul 18, 2016 | http://relativityspace.com |
| Checkr | Checkr is a startup that provides either online access or an API that returns automatically generated background checks. Checkr uses the same data sources as traditional background check companies, but can usually turn it around a lot more quickly than traditional providers. Through Checkr’s advanced background check technology, companies canbetter understand the dynamics of the changing workforce, bring transparency and fairness to their hiring, and ultimately build a better future for workers.Checkr was founded on 2014 and is headquartered in San Francisco, California and Denver, Colorado. | $40M | Series B | Mar 23, 2016 | https://checkr.com |
| Relativity Space | Relativity Space is an aerospace company that designs, develops, and builds 3D-printed rockets. a vertically integrated technology platform, Relativity is at the forefront of an inevitable shift toward software-defined manufacturing by fusing 3D printing, artificial intelligence, and autonomous robotics. It offers a radically simplified supplychain, building a rocket with 100x fewer parts in less than 60 days. Relativity Space is backed by leading investors including Bond, Tribe Capital, Playground Global, Y Combinator, Social Capital, and Mark Cuban. | $620K | Seed | Mar 22, 2016 | http://relativityspace.com |
| Human Interest | Human Interest is a 401(k) provider that makes it easy for small and medium-sized businesses to help their employees save for retirement.The company built an end-to-end technology to solve administrative and compliance problems for small and medium-sized businesses. It also offers easy and affordable employee retirement plans and helped thousandsof businesses across America to offer retirement accounts to their employees.In 2015, the San Francisco, California-headquartered company was formed by Paul Sawaya and Roger Lee. | $3.6M | Seed | Feb 24, 2016 | https://humaninterest.com/ |
| Diamond Foundry | We are delivering the future of tetrahedrally crystallized carbon, aka diamond: a material with a dozen of the most extreme properties of any in the universe.Our proprietary manufacturing technology can now deliver diamond at mining scale -- without the social & environmental toll of mining.In our zero-emission foundry, we sustainablycreate diamond for the jewelry and semiconductor industries.Our VRAI brand brings iconic innovation in diamond jewelry direct to consumers.Our semiconductor solutions address the key challenge limiting the performance of everything from electric cars to 5G wireless to cloud & AI compute: heat dissipation. | $50M | Series A | Nov 15, 2015 | https://diamondfoundry.com/ |

10 of 25 investments shown.

## Co-investors
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 5 deals together
- [Bain Capital Ventures](https://shizune.co/investors/profile/bain-capital-ventures) — VC Fund, 4 deals together
- [Tuesday Capital](https://shizune.co/investors/profile/tuesday-capital) — VC Fund, 3 deals together
- [Accelerator Ventures](https://shizune.co/investors/profile/accelerator-ventures) — VC Fund, 2 deals together
- [Cowboy Ventures](https://shizune.co/investors/profile/cowboy-ventures) — VC Fund, 2 deals together
- [IVP](https://shizune.co/investors/profile/institutional-venture-partners) — VC Fund, 2 deals together

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## FAQ

### What does David Spector invest in?

David Spector invests primarily in E-Commerce, Mobile and Artificial Intelligence startups, most often at Seed and Series A stage. Most of the 25 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is David Spector's check size?

David Spector typically joins rounds of $1M–$4.6M at Seed, $3M–$250M at Series A and $40M–$140M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds David Spector participates in.

### How do I contact David Spector?

Public channels for David Spector include LinkedIn, X (Twitter) and the website linked on this profile. 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 Spector last invest?

The most recent investment recorded for David Spector closed in Nov 2025. Shizune tracks 25 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.

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