14 Best Series A Investors Backing High-Growth Startups

For founders raising capital, identifying the right angel investors in Series A is a critical part of the process. These individuals can be valuable partners as you move into your next growth phase.

Unlike many venture capital firms, angel investors often provide more than just capital. Many contribute their own operational experience and direct mentorship.

To help you identify potential partners for your Series A or related early-stage rounds, our team curated this list of active investors to help you prepare for your fundraise.

Just raised or about to? Set up your financial stack with Rho in minutes. Rho provides business banking, corporate cards, accounting integrations and more—built for startup teams moving fast.

What is Series A Angel Investment?

A Series A round is typically the first significant round of venture capital financing, following earlier seed funding.

Investors at this stage provide capital to help you scale a business that has already found product-market fit and is generating consistent revenue.

Types of Series A Angel Investors At A Glance

When you're raising a Series A, knowing which angel investors specialize by geography or sector can be a major advantage; here is a quick breakdown of those trends across some top Series A investors.

Series A Investors in New York

New York is a major hub for venture capital. Some notable New York investors include Joshua Kushner, Daniel Cohen, and Tyler Winklevoss.

Top Series A Investors in Silicon Valley

The Bay Area remains a critical geography for fundraising. Among the top Series A investors in Silicon Valley are John Locke, Peter Levine, and John Doerr.

SaaS Series A Investors

For SaaS companies, finding the right partner is key. Some of the best Series A investors for SaaS companies with experience in the sector are Matt Murphy and Kevin Harvey.

FinTech Series A Investors

The FinTech space also has dedicated investors. Founders in this industry might connect with investors like Steve Case and John Locke.

Of course, many reliable Series A venture capital investors are generalists, investing across a wide range of industries, locations, and even funding stages.

Here is a closer look at some of the top angel investors active in Series A rounds. We've included specifics on their typical investment stages, industry focus, and what makes them a potentially valuable partner for your company.

1. John Locke

John Locke is a partner at Accel, a well-known venture capital firm based in the San Francisco Bay Area. He is recognized for his investments in high-growth technology companies.

He tends to focus on sectors like FinTech, SaaS, and Cloud Infrastructure, with investments spanning from Seed to Series B stages. His portfolio includes companies like Galileo Financial Technologies and SeatGeek, showing a pattern of backing businesses with strong consumer or enterprise applications.

Founders building companies in FinTech or SaaS with demonstrated product-market fit may find him to be a good partner. His typical investment range of $15M to $70M suggests he can lead or significantly participate in funding rounds.

• Investment stages: Seed, Series A, Series B
• Industries of focus: Cloud Infrastructure, FinTech, Consumer Internet, SaaS
• Geographical presence: San Francisco Bay Area
• Investment range: $15.0M - $70.0M
• Notable portfolio companies: SeatGeek, Sysdig, Socure, Galileo Financial Technologies

You can find more information about John Locke on the Accel website or connect with him on LinkedIn.

2. Al Gore

Al Gore, the former U.S. Vice President, is also an angel investor with a history of backing technology companies. He invests individually, bringing his extensive network and public profile to the companies he supports.

His investment activity shows a preference for Enterprise and Consumer Internet businesses, typically in their Series A or B rounds. With a smaller check size, he often joins funding rounds for companies like Globality and Jelly HQ.

Founders who could benefit from a well-known, strategic investor on their cap table may find Al Gore to be a good fit. His involvement can bring a level of public attention that is unique among angel investors.

• Investment stages: Series A, Series B
• Industries of focus: Enterprise, Consumer Internet
• Geographical presence: Nashville, Tennessee
• Investment range: $5K - $50K
• Notable portfolio companies: Globality, Jelly HQ

You can find more information about Al Gore on his website or connect with him on Twitter.

3. Joshua Kushner

Joshua Kushner is a New York-based investor and the founder of Thrive Capital. He is known for backing companies across consumer internet and software from their earliest stages.

He shows a strong interest in SMB Software, Consumer Internet, and Gaming, investing from Seed to Series B. With an investment range of $1M to $50M, he has the capacity to lead rounds and has backed major companies like Ramp and Databricks.

Founders building businesses in his areas of focus may find him to be a valuable partner. His involvement from the seed stage suggests an interest in supporting companies through multiple phases of growth.

• Investment stages: Seed, Series A, Series B
• Industries of focus: Consumer Internet, SMB Software, Gaming/eSports
• Geographical presence: New York, New York
• Investment range: $1M - $50.0M
• Notable portfolio companies: Ramp, Databricks, Essential AI

You can find more information about Joshua Kushner on the Thrive Capital website or connect with him on Twitter.

4. Paul Walker

Paul Walker is a partner at New Enterprise Associates (NEA), a prominent venture capital firm. He is known for his focus on the life sciences and healthcare sectors, backing companies that are advancing medical technology and pharmaceuticals.

His investment activity centers on Series A and B rounds, with a clear emphasis on BioTech, Health IT, and Pharmaceuticals. With an investment range of $2M to $50M, he often participates in significant funding rounds for companies like Allakos and Geron.

Founders in the health and biotech industries who are ready to raise a Series A or B may find him to be a valuable partner. His position at NEA suggests access to a deep network and substantial resources for scaling a company.

• Investment stages: Series A, Series B
• Industries of focus: BioTech, Health & Hospital Services, Health IT, Pharmaceuticals
• Geographical presence: Menlo Park, California
• Investment range: $2.0M - $50.0M
• Notable portfolio companies: Allakos, Geron, Xenon Pharmaceuticals

You can find more information about Paul Walker on the NEA website.

5. Daniel Cohen

Daniel Cohen is a New York-based investor associated with the venture capital firm FTAC. He is known for his investment activity within the financial technology and insurance industries.

His focus is primarily on Series A rounds, with an interest in companies modernizing financial services. Investments in companies like ClickSWITCH and Curve highlight his engagement with businesses in the FinTech space.

Founders building technology for the insurance or financial sectors may find him to be a good partner. His stated focus on Series A suggests he is a good fit for companies with early traction that are ready to scale.

• Investment stages: Series A
• Industries of focus: Insurance, FinTech
• Geographical presence: New York, New York
• Investment range: $100K - $5.0M
• Notable portfolio companies: Curve, ClickSWITCH

You can find more information about Daniel Cohen on the FTAC website or connect with him on LinkedIn.

6. Tyler Winklevoss

Tyler Winklevoss is a New York-based investor, widely recognized as the co-founder of the cryptocurrency exchange Gemini. He invests through his firm, Winklevoss Capital, and is known for his early and significant involvement in the Web3 space.

His investment activity shows a strong interest in companies operating in Web3, AI, and Gaming, often from the seed stage. With investments in companies like Animoca Brands and KresusLabs, he backs businesses at the forefront of new technology.

Founders building in the crypto or blockchain sectors may find him to be a particularly good match. His operational experience as a founder and CEO in the industry suggests he can provide more than just capital.

• Investment stages: Seed, Series A
• Industries of focus: Web3/Crypto, AI, Gaming/eSports, Consumer Internet
• Geographical presence: New York, New York
• Investment range: $100K - $5.0M
• Notable portfolio companies: Animoca Brands, KresusLabs, Octane

You can find more information about Tyler Winklevoss on the Winklevoss Capital website or connect with him on LinkedIn.

7. Peter Levine

Peter Levine is a general partner at Andreessen Horowitz (a16z), one of the most prominent firms in venture capital. He is recognized for his focus on enterprise software and cloud infrastructure.

His investment activity spans from seed to Series B, with a portfolio that includes significant companies like Figma and Pinecone. This shows a pattern of backing foundational technology and developer-focused platforms.

Founders building technical products in areas like enterprise software, AI, or cloud infrastructure may find him to be a strong partner. His experience suggests he is a good fit for companies with a clear product vision ready for significant growth.

• Investment stages: Seed, Series A, Series B
• Industries of focus: Cloud Infrastructure, Enterprise, AI, FinTech, Data Services
• Geographical presence: Menlo Park, California
• Investment range: $50K - $50.0M
• Notable portfolio companies: Figma, Pinecone, Netlify, Labelbox

You can find more information about Peter Levine on the a16z website or connect with him on LinkedIn.

8. John Doerr

John Doerr is a partner at Kleiner Perkins and one of the most recognized investors in venture capital. He is known for a long track record of backing foundational technology companies.

His investment activity shows a strong commitment to ClimateTech, BioTech, and Cloud Infrastructure, often at the Series A and B stages. His support for companies like Watershed and Pacific Fusion points to an interest in businesses tackling major global challenges.

Founders with ambitious, large-scale ideas in his areas of focus may find him to be a valuable partner. His role at a major firm suggests he can provide significant capital and support for companies ready to scale their operations.

• Investment stages: Series A, Series B
• Industries of focus: ClimateTech/CleanTech, Cloud Infrastructure, BioTech, Education
• Geographical presence: Menlo Park, California
• Investment range: $100K - $25.0M
• Notable portfolio companies: Watershed, Rondo Energy, Visby Medical, Pacific Fusion

You can find more information about John Doerr on the Kleiner Perkins website or connect with him on Twitter.

9. Matt Murphy

Matt Murphy is a partner at Menlo Ventures, where he concentrates on enterprise software and cloud infrastructure. He is recognized for backing companies that build foundational technology for businesses.

His portfolio shows a strong interest in SaaS, AI, and developer tools, with investments in companies like Harness and Semgrep. He invests from seed to Series B, indicating a willingness to support founders through multiple growth phases.

Founders building technical products for the enterprise market may find him to be a good partner. His investment range suggests he can be a significant participant in early-stage funding rounds.

• Investment stages: Seed, Series A, Series B
• Industries of focus: SaaS, Cloud Infrastructure, Enterprise, AI, Developer Tools
• Geographical presence: San Francisco Bay Area
• Investment range: $8.0M - $15.0M
• Notable portfolio companies: Harness, Envoy, Zylo, Semgrep

You can find more information about Matt Murphy on the Menlo Ventures website or connect with him on LinkedIn.

10. Steve Case

Steve Case, co-founder of AOL, is a prominent investor and the Chairman and CEO of the venture firm Revolution. He is well-known for his focus on supporting companies located outside of traditional technology hubs.

His investment activity shows an interest in FinTech, Payments, and AI, typically at the Seed and Series A stages. With a portfolio that includes companies like FiscalNote and FreightWaves, he often backs businesses that are modernizing established industries.

Founders building companies in the FinTech or AI sectors, particularly those based outside of major coastal tech centers, may find him to be a strong partner. His experience as a founder and his firm's structure suggest he can provide both capital and strategic guidance.

• Investment stages: Seed, Series A
• Industries of focus: Payments, FinTech, AI
• Geographical presence: Virginia
• Investment range: $100K - $5.0M
• Notable portfolio companies: FiscalNote, FreightWaves, Class Technologies

You can find more information about Steve Case on the Revolution website or connect with him on LinkedIn.

11. Kevin Harvey

Kevin Harvey is a general partner at Benchmark, a well-known venture capital firm based in Menlo Park. He is recognized for his investments in enterprise software, cloud infrastructure, and various marketplace businesses.

He invests across Seed, Series A, and Series B rounds, showing a commitment to supporting companies through multiple stages of growth. His portfolio includes notable companies like Upwork and Proofpoint, pointing to an interest in businesses with significant market potential.

Founders building companies in SaaS or cloud infrastructure may find him to be a valuable partner. His broad investment range and focus on early stages suggest he is prepared to participate significantly in rounds and form long-term relationships with founding teams.

• Investment stages: Seed, Series A, Series B
• Industries of focus: Cloud Infrastructure, SaaS, Social Commerce, BioTech, Marketplaces
• Geographical presence: Menlo Park, California
• Investment range: $1.0M - $15.0M
• Notable portfolio companies: Upwork, Proofpoint, Eucalyptus Systems, Boku

You can find more information about Kevin Harvey on the Benchmark website or connect with him on LinkedIn.

12. Anders Hove

Anders Hove is a New York-based investor with a deep background in life sciences, currently associated with Acorn Bioventures. He is known for his extensive experience in the biotech and pharmaceutical industries, both as an investor and an operator.

His investment activity shows a clear preference for companies in BioTech, Medical Devices, and Pharmaceuticals, often from the seed stage through Series B. With a background that includes a Doctor of Medicine degree and roles at Novartis, he brings significant scientific and technical depth to his portfolio companies.

Founders working on complex scientific or medical challenges may find him to be an ideal partner. His experience suggests he is well-suited to support companies that require a sophisticated understanding of the life sciences sector.

• Investment stages: Seed, Series A, Series B
• Industries of focus: BioTech, Medical Devices, Pharmaceuticals
• Geographical presence: New York, New York
• Investment range: $100K - $5.0M
• Notable portfolio companies: Intuity Medical, Edge Therapeutics, Anacor Pharmaceutical

You can find more information about Anders Hove on the Acorn Bioventures website or connect with him on LinkedIn.

13. Graham Brown

Graham Brown is a New York-based investor and a partner at the venture capital firm Lerer Hippeau. He is recognized for his work with early-stage companies, particularly in enterprise software and media.

He shows a strong interest in businesses at the Seed and Series A stages, with a focus on SMB Software, E-commerce, and Media/Content. His portfolio, which includes companies like MyCarrier and Expressable, indicates a pattern of backing companies as they begin to scale.

Founders building companies in the media, e-commerce, or enterprise software sectors may find him to be a good match. His activity at the seed stage suggests he is open to partnering with companies from their earliest days.

• Investment stages: Seed, Series A
• Industries of focus: Enterprise, E-commerce, SMB Software, Media/Content
• Geographical presence: New York, New York
• Investment range: $100K - $3.0M
• Notable portfolio companies: MyCarrier, Expressable, Fitplan

You can find more information about Graham Brown on the Lerer Hippeau website or connect with him on LinkedIn.

14. Connie Chan

Connie Chan is a partner at Andreessen Horowitz (a16z) where she leads the firm's consumer sector. She is known for her investments in consumer technology, with a particular emphasis on e-commerce and AI.

Her investment activity shows a focus on companies in their Series A and B stages, backing businesses that are building for a consumer audience. With investments in companies like the marketplace Whatnot and e-commerce platform Canal, she shows an interest in businesses with strong community or network effects.

Founders building consumer-facing companies, especially in e-commerce or AI, may find her to be a valuable partner. Her role at a16z suggests she can provide significant support for companies looking to scale quickly.

• Investment stages: Series A, Series B
• Industries of focus: E-commerce, Consumer Internet, AI, Marketplaces, Media/Content
• Geographical presence: Saratoga, California
• Investment range: $500K - $40.0M
• Notable portfolio companies: Whatnot, Canal, Glorify

You can find more information about Connie Chan on the a16z website or connect with her on LinkedIn.

What Startup Founders Should Look for in a Series A Investor

When evaluating Series A investors, look beyond the capital they provide. The best partners bring relevant industry expertise and a network that aligns with your long-term vision. This strategic fit is often more valuable than the check itself.

As our list demonstrates, many of the most reliable Series A venture capital investors have clear patterns. You'll find geographical concentrations among top Silicon Valley investors and in New York, alongside strong preferences for sectors like SaaS, FinTech, or BioTech. This specialization means your research should be highly targeted.

As you prepare for your Series A funding round, ask yourself these questions about a potential investor:

• What is their typical check size and do they lead rounds
• Do they have a history of providing operational support
• How does their existing portfolio align with your business

Ultimately, you are looking for a long-term partner who adds strategic value. The goal is to find an investor who will support your company through its next phase of growth and beyond.

Raise Confidently with Rho

Fundraising requires significant time and focus. A targeted list of potential angel investors helps you direct your energy where it matters most, connecting with partners who are already aligned with your vision.

If you’ve just raised, Rho can help you set up your financial stack in minutes. We offer integrated business banking, corporate cards, and bill pay solutions built for startups.

Our platform is designed to help you manage your new capital efficiently. This allows you to put your angel investment directly toward growth and operations, not manual financial administration.

FAQs about Series A Angel Investors

Who are the top Series A investors in Boston?

Boston has a strong community of investors focused on tech and biotech. When looking for Boston angel investors, focus on those whose portfolio and industry experience align with your company's goals and current stage.

How do I find Series A investors for an AI startup?

Many top Series A investors now have a focus on artificial intelligence. Look for partners with technical expertise and a portfolio of AI companies, as their experience can provide valuable guidance beyond just capital.

What is the difference between an angel and a VC in Series A?

Angels are individuals investing their own money, often offering direct mentorship. VCs invest from a managed fund, typically providing larger checks and more structured support as part of the early-stage VC process.

What is the best way to contact Series A investors?

A warm introduction through a mutual connection is almost always best. Understanding the different startup funding types also helps you tailor your pitch to investors who are active and a good fit for your stage.

How can I manage my Series A funding effectively?

Once you've secured funding, efficient financial management is key. Rho provides an integrated platform for banking, corporate cards, and payments, helping you put your new capital to work on growth, not administrative tasks.