Adam Nelson
Managing Director @ FirstMark
San Francisco, United States
Adam Nelson is a Series A investor at FirstMark in San Francisco focused on Financial Services and FinTech. Adam Nelson is based out of New York, New York, and is the Managing Director of FirstMark and also a Member of the Board of Directors of Henry. Adam previously worked at Social Capital as a Board Partner. Adam Nelson attended Brown University.
- Total investments:
- 33
- Last investment:
- Lead investor:
- 58%
Last updated:
For AI agents: llms.txt
Industries Adam Nelson invests in
Stages Adam Nelson invests in
Countries Adam Nelson invests in
Contacts
| Type | Contact | Validation |
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| Personal email | ||
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| Personal phone | ||
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Investment Focus
Industry
- Financial Services 8 (24%)
- FinTech 7 (21%)
- Software 5 (15%)
- Payments 4 (12%)
- Blockchain 4 (12%)
Stage
- Series A 17 (52%)
- Seed 9 (27%)
- Series B 4 (12%)
- Series C 2 (6%)
- Funding Round 1 (3%)
Country
- United States 20 (61%)
- Canada 2 (6%)
- Germany 1 (3%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Fragment develops a ledger database application programming interface platform to build finance applications. Its platform helps users to build compliant fintech apps without having to worry about infrastructure where they can embed financial features into their app, without requiring prior accounting, finance, or compliance expertise to build theledger that runs it and integrate with money moving stack.The company was founded in 2020 and is headquartered in Seattle, Washington. | $12M / Series A / Oct 14, 2026 | ||
| Liquid Compute is a financial infrastructure platform that creates a regulated marketplace for AI computing power. | $15M / Seed / Sep 15, 2026 | ||
| Henry is a software company that develops AI-powered workflow automation tools for commercial real estate professionals. Its platform automates underwriting, market research, comparable property analysis, transaction tracking, buyer identification, and pitch deck creation. The platform also builds and maintains proprietary property and transactiondatabases, generates Excel-based underwriting models, and integrates with existing workflows to support investment sales, acquisitions, and brokerage teams throughout the deal process. | $16.5M / Series A / Jul 29, 2026 | ||
| Velocity provides a unified platform for efficiently moving and managing funds across both traditional banks and blockchains. | $38M / Series A / Jul 14, 2026 | ||
| Payy is a fintech application that enables stablecoin transactions, seamless payments, cryptocurrency wallets, and exchange services. | $6M / Seed / Mar 25, 2026 | ||
| Rain provides infrastructure for stablecoin-powered payments and financial products for businesses. The company builds APIs and tools that let partners create and manage digital wallets, embed stablecoin accounts, and issue payment cards that connect blockchain settlement with traditional payment networks like Visa. Its platform supports money-inand money-out flows, fiat-to-stablecoin conversion, and compliance features so enterprises and financial platforms can integrate digital money use cases directly into their products. Rain’s technology is modular, enabling firms to pick components such as card issuance, wallet services, and cross-border payouts based on their needs. | $250M / Series C / Jan 09, 2026 | ||
| Reinvigorating neighborhoods by supporting real estate entrepreneurs with innovative technology and capital. | $10M / Nov 14, 2025 | ||
| Clerq is an online payment platform that provides account verification, payment processing, bookkeeping, compliance, and fraud prevention. | $12M / Series A / Oct 23, 2025 | ||
| Transforming an age-old industry with industry know-how. Founded by a team of real estate and finance leaders with decades of experience, Sonar was born from a desire to simplify the complexities of getting a mortgage. We've made it our mission to help people get the mortgages they deserve, finally making such an exciting moment, exactly that. | Seed / Jan 01, 2025 | ||
| Caramel is a car checkout platform that makes private party and independent dealer sales simple and safe. | $21.4M / Series A / Jul 26, 2024 | ||
| See all 33 investments → | |||
Co-Investors
About FirstMark
FirstMark is an early-stage venture capital firm based in New York City, backing exceptional founders making their mark on the world. FirstMark has proudly invested in founders of remarkable businesses like Pinterest, Shopify, DraftKings, Discord, Airbnb, Stubhub, Riot Games, and dozens more.
FirstMark Contacts
| Name | Phone | Socials | |
|---|---|---|---|
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Adam Nelson
Managing Director
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Amish Jani
Founder and Partner
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Catherine Ulrich
Venture Partner
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Daniel Gaisin
Vice President of Finance
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Lisa Xu
Principal
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FAQ
What does Adam Nelson invest in?
Adam Nelson invests primarily in Financial Services, FinTech and Software startups, most often at Series A and Seed stage. Most of the 33 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 Adam Nelson?
Public channels for Adam Nelson include LinkedIn, X (Twitter) and Facebook. 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 Adam Nelson last invest?
The most recent investment recorded for Adam Nelson closed in Oct 2026. Shizune tracks 33 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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