# Brian Roberts

> Brian Roberts is a seed investor at OpenSea (San Francisco) backing Software and SaaS. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [OpenSea](https://shizune.co/investors/profile/opensea)
- Location: San Francisco, United States
- Total investments: 3
- Last investment: Apr 2026
- Lead investor: 33%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/brianrobertspublicprofile/
- X (Twitter): https://twitter.com/bkroberts
- Website: https://x.com/bkroberts

Brian Roberts is an a16z general partner, a Petual board member, and a former CFO at Lyft and Splunk.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 3 | 100% |
| SaaS | 1 | 33% |
| Sales | 1 | 33% |
| Mobile | 1 | 33% |
| Big Data | 1 | 33% |

13 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Petual | Petual is building the AI-powered platform for audit and compliance, transforming how enterprises manage SOX, operational, financial, and compliance risk. Our intelligent agents deliver precision, coverage, and speed impossible with manual testing. | $20M | Seed | Apr 23, 2026 |  |
| Shelf | Shelf is a place to catalog your favorite things and discover great products from people who actually use them. Our vision is to build a constantly updating catalog of the world's best products, curated by the people who love and use them regularly. | $1.2M | Seed | Jan 08, 2014 |  |
| Nuiku | Nuiku is a virtual assistant for sales that uses natural language processing to revolutionize the way sales people engage with back end systems. Imagine using voice to provide updates and get answers from your CRM. Nuiku understands what sales people do, is connected to what they use and learns along the way | $1.6M | Seed | Sep 17, 2013 |  |

3 of 3 investments shown.

## Co-investors
- [Base Ventures](https://shizune.co/investors/profile/base-vc) — VC Fund, 1 deal together
- [Cowboy Ventures](https://shizune.co/investors/profile/cowboy-ventures) — VC Fund, 1 deal together
- [First Round Capital](https://shizune.co/investors/profile/first-round-capital) — VC Fund, 1 deal together
- [Google Ventures](https://shizune.co/investors/profile/google-ventures) — VC Fund, 1 deal together
- [Kae Capital](https://shizune.co/investors/profile/kae-capital) — VC Fund, 1 deal together
- [Kima Ventures](https://shizune.co/investors/profile/kima-ventures) — VC Fund, 1 deal together

## About OpenSea

VC Fund · New York, United States

OpenSea is a peer-to-peer marketplace for crypto collectibles and non-fungible tokens. It includes collectibles, gaming items, and other virtual goods backed by a blockchain. On OpenSea, anyone can buy or sell these items through a smart contract.

5 contacts available at OpenSea.

| Name | Title | Profile |
| --- | --- | --- |
| Adam Montgomery | Head of Blockchain | https://shizune.co/investors/profile/adam-montgomery |
| Alex Atallah | Co-Founder & CTO | https://shizune.co/investors/profile/alex-atallah |
| Brian Roberts | CFO | https://shizune.co/investors/profile/brian-roberts-5 |
| Clare Gobel | Human Resources | https://shizune.co/investors/profile/clare-gobel |
| David Bai | Product Engineering | https://shizune.co/investors/profile/david-bai |

## 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
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Brian Roberts invest in?

Brian Roberts invests primarily in Software, SaaS and Sales startups, most often at Seed stage. Most of the 3 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 Brian Roberts last invest?

The most recent investment recorded for Brian Roberts closed in Apr 2026. Shizune tracks 3 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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