# Barron B. Martin, Jr.

> Barron B. Martin, Jr. is a Series D investor at Sands Capital Ventures backing FinTech. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Sands Capital Ventures](https://shizune.co/investors/profile/sands-capital-ventures)
- Location: Arlington, United States
- Total investments: 4
- Last investment: Jul 2025
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/barron-martin-317a3a8/

Barron B. Martin, Jr. is a Series D investor at Sands Capital Ventures in Arlington focused on FinTech and Credit Cards. Barron Martin is the Managing Partner at Sands Capital Management.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| FinTech | 2 | 50% |
| Credit Cards | 2 | 50% |
| Financial Services | 2 | 50% |
| Banking | 1 | 25% |
| Finance | 1 | 25% |

7 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series D | 1 | 25% |
| Series E | 1 | 25% |
| Series G | 1 | 25% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Brazil | 1 | 25% |
| United States | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ramp | Ramp is a financial technology company that develops software for corporate spend management, finance operations, and business payments. The company provides an integrated platform that combines corporate cards, expense management, accounts payable automation, procurement, travel booking, reimbursements, treasury services, and accountingautomation. Its software is designed to help organizations manage business spending, streamline financial workflows, and centralize finance operations within a single system. The platform enables businesses to issue and manage corporate cards, process vendor payments, track expenses, handle employee reimbursements, and automate accounting processes. It also incorporates artificial intelligence capabilities that assist with receipt matching, transaction categorization, policy enforcement, approval workflows, and financial reporting. These features are intended to reduce manual administrative work and improve visibility into organizational spending. | $500M | Series E | Jul 30, 2025 |  |
| Ramp | Ramp is a financial technology company that develops software for corporate spend management, finance operations, and business payments. The company provides an integrated platform that combines corporate cards, expense management, accounts payable automation, procurement, travel booking, reimbursements, treasury services, and accountingautomation. Its software is designed to help organizations manage business spending, streamline financial workflows, and centralize finance operations within a single system. The platform enables businesses to issue and manage corporate cards, process vendor payments, track expenses, handle employee reimbursements, and automate accounting processes. It also incorporates artificial intelligence capabilities that assist with receipt matching, transaction categorization, policy enforcement, approval workflows, and financial reporting. These features are intended to reduce manual administrative work and improve visibility into organizational spending. | $150M | Series D | Apr 17, 2024 |  |
| Ramp | Ramp is a financial technology company that develops software for corporate spend management, finance operations, and business payments. The company provides an integrated platform that combines corporate cards, expense management, accounts payable automation, procurement, travel booking, reimbursements, treasury services, and accountingautomation. Its software is designed to help organizations manage business spending, streamline financial workflows, and centralize finance operations within a single system. The platform enables businesses to issue and manage corporate cards, process vendor payments, track expenses, handle employee reimbursements, and automate accounting processes. It also incorporates artificial intelligence capabilities that assist with receipt matching, transaction categorization, policy enforcement, approval workflows, and financial reporting. These features are intended to reduce manual administrative work and improve visibility into organizational spending. | $300M | Series D | Aug 21, 2023 |  |
| Nubank | Nubank issues, administrate, processes, and transfers payments related to post-paid credit cards and equity investment in other entities. It serves clients in Brazil. The company launched its proprietary loyalty rewards program ("Nubank Rewards"), as well as a digital account ("NuConta") that is already used by more than 17million people.Cristina Junqueira, David Velez, and Edward Wible founded EO2 Solucoes de Pagamento on May 6, 2013 that became Nubank in on June 25, 2013. It has its headquarters in São Paulo in Brazil. | $750M | Series G | Jun 08, 2021 |  |

4 of 4 investments shown.

## Co-investors
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund, 4 deals together
- [Lux Capital](https://shizune.co/investors/profile/lux-capital) — VC Fund, 4 deals together
- [Thrive Capital](https://shizune.co/investors/profile/thrive-capital) — VC Fund, 4 deals together
- [D1 Capital Partners](https://shizune.co/investors/profile/d1-capital-partners) — VC Fund, 3 deals together
- [Definition](https://shizune.co/investors/profile/definition-capital) — VC Fund, 3 deals together
- [Founders Fund](https://shizune.co/investors/profile/founders-fund) — VC Fund, 3 deals together

## About Sands Capital Ventures

VC Fund · Arlington, United States

Sands Capital is an active, long-term investor in innovative growth businesses. The approach combines rigorous fundamental analysis with inspired thinking to seek out businesses that are creating the future. They operate through two affiliates: Sands Capital Management, which focuses on investing in companies in the public market, and Sands CapitalVentures, which focuses on investing in companies in the private market. By enabling clients to participate in the growth of these businesses, its mission is to add value and enhance their wealth with prudence over time.

5 contacts available at Sands Capital Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Barron B. Martin, Jr. | Sr. Research Associate | https://shizune.co/investors/profile/barron-b-martin-jr |
| Christopher Eng | Principal | https://shizune.co/investors/profile/christopher-eng |
| Frank M. Sands, Jr. | Director | https://shizune.co/investors/profile/frank-sands |
| Mark McGovern | Venture Partner | https://shizune.co/investors/profile/mark-mcgovern |
| Michael J. Ginder | Partner | https://shizune.co/investors/profile/michael-j-ginder |

## Similar investors

### Similar stage
- [Sigma Partners](https://shizune.co/investors/profile/sigma-partners) — VC Fund
- [EDBI](https://shizune.co/investors/profile/edbi) — VC Fund
- [Trifecta Capital Advisors](https://shizune.co/investors/profile/trifecta-capital-advisors) — VC Fund

## FAQ

### What does Barron B. Martin, Jr. invest in?

Barron B. Martin, Jr. invests primarily in FinTech, Credit Cards and Financial Services startups, most often at Series D and Series E stage. Most of the 4 investments tracked by Shizune back companies in Brazil. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Barron B. Martin, Jr. last invest?

The most recent investment recorded for Barron B. Martin, Jr. closed in Jul 2025. Shizune tracks 4 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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