14 Top Angel Investors in Boston

For founders raising capital in the Greater Boston area, connecting with the right angel investors in Boston can be a significant step for your company.

Angel investors typically invest their own personal funds and can offer direct mentorship, which often creates a different working relationship than you might find with a venture capital firm.

To help you find the right people, our team at Rho curated this guide to some of the area's top angel investors active in the Boston and Cambridge startup scene.

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Top Angel Investors in Boston By Stage

Many angel investors in Boston concentrate on pre-seed and seed-stage companies, as this is where their capital and direct mentorship can have the greatest impact.

Knowing which investors are active at your startup's stage will help you focus your fundraising efforts more effectively.

Pre-seed Angel Investors in Boston

Pre-seed is the earliest stage of funding, often used to validate an idea before a product is fully built. For founders at this initial stage, investors like Paul Ferri and Timothy Barrows are known to be active.

Seed Stage Angel Investors in Boston

This funding helps a company with its initial market entry, product development, and hiring key team members. Some angel investors in Boston MA who consider seed-stage companies include Peter Kellner, Jesse Feldman, and Brian Baynes.

Series A Angel Investors in Boston

This round is typically for businesses with a proven product and consistent revenue, used to scale operations and optimize the user base. Among the angel investors in Boston who participate in Series A rounds are Alex Finkelstein, Nick Grossman, and Ross Stern.

Series B Angel Investors in Boston

Series B funding is for companies that are past the development stage and are looking to expand their market reach. You might connect with investors such as Christopher Dean, Thomas Jennings, and Todd Dagres when raising your Series B.

It's also worth noting that many investors don't limit themselves to a single funding stage. For instance, investors like Dave Barrett and Andrew Hedin have experience investing across seed, Series A, and Series B rounds, making them potential partners for various stages of your company's growth.

Let's look more closely at some of the top angel investors in Boston. For each investor, we've outlined their typical investment stages, areas of focus, and what makes them a noteworthy connection for founders.

1. Christopher Dean

Christopher Dean is a Managing Director at Summit Partners, a growth equity firm. He is involved in both early-stage and later-stage funding, participating in rounds from Seed to Series B.

His investment focus is notably broad, covering sectors from FinTech and e-commerce to digital health and BioTech. With an investment range between $5 million and $50 million, he engages with companies poised for significant growth, as seen in his involvement with companies like Brooklinen and ShipMonk.

Founders with businesses in his areas of interest who are seeking substantial capital for scaling would find him to be a good potential partner. His position at a major firm suggests access to extensive resources beyond just capital.

• Investment stages: Seed, Series B
• Industries of focus: E-commerce, FinTech, Digital Health, BioTech, Education
• Based in: Boston, Massachusetts
• Typical investment size: $5.0M - $50.0M
• Notable investments: Includes e-commerce company Brooklinen and FinTech platform Celcoin.

You can find more information about Christopher Dean on his firm's website or LinkedIn.

2. Peter Kellner

Peter Kellner is a Founder and Managing Partner at Richmond Global Ventures, where he invests in early-stage companies. He is an active seed-stage investor with a background that includes a JD from Yale Law School and an MBA from Harvard Business School.

His investment focus is exceptionally broad, covering sectors from ClimateTech and BioTech to Real Estate and Travel. Kellner concentrates on the seed stage, providing initial capital to help founders get their ideas off the ground, with investments in companies like Kueski.

Founders at the seed stage seeking between $200K and $2.0M would find him to be a good potential match. His wide range of industry interests makes him a relevant contact for many different types of businesses.

• Investment stages: Seed
• Industries of focus: Impact, Real Estate/PropTech, Consumer Health, BioTech, ClimateTech/CleanTech
• Based in: Boston, Massachusetts
• Typical investment size: $200K - $2.0M
• Notable investments: Includes Kueski and OpenSponsorship

You can find more information about Peter Kellner on his firm's website or his LinkedIn profile.

3. Thomas Jennings

Thomas Jennings is a Managing Director at Summit Partners, where he concentrates on growth-stage companies. He primarily participates in Series B rounds, providing capital to businesses that are ready to scale.

His investment interests are centered on the healthcare sector—including Digital Health, BioTech, and Health IT—along with SMB Software. His involvement in sizable rounds, such as the $20M Series C for Accedian, indicates a focus on established companies needing significant funding for expansion.

Founders with businesses in health tech or B2B software who are raising a Series B round would find him to be a relevant contact. He is a good potential partner for companies seeking between $5 million and $50 million to grow their market presence.

• Investment stages: Series B
• Industries of focus: Health & Hospital Services, Digital Health, BioTech, Health IT, SMB Software
• Based in: Boston, Massachusetts
• Typical investment size: $5.0M - $50.0M
• Notable investments: Includes Accedian and PeerApp.

You can find more information about Thomas Jennings on his firm's website or his LinkedIn.

4. Alex Finkelstein

Alex Finkelstein is a General Partner at Spark Capital, a venture capital firm. He invests across multiple funding stages, participating in Seed, Series A, and Series B rounds.

His investment interests are in Enterprise software, ConstructionTech, and Consumer Internet. He has backed companies like Higharc and VideaHealth, showing a focus on businesses with strong growth potential.

Founders with companies in his target sectors who are raising between $5 million and $15 million may find him to be a good potential partner. His experience across different funding stages makes him a relevant contact for companies at various points in their early growth.

• Investment stages: Seed, Series A, Series B
• Industries of focus: Enterprise, ConstructionTech, Consumer Internet, Media/Content
• Based in: Boston, Massachusetts
• Typical investment size: $5.0M - $15.0M
• Notable investments: Includes Higharc, VideaHealth, and 9fin

You can find more information about Alex Finkelstein on his firm's website or LinkedIn.

5. Dave Barrett

Dave Barrett is a partner at Polaris Partners, where he invests in technology companies across multiple early stages. He participates in rounds from Seed through Series B, showing a commitment to supporting companies as they grow.

His investment activity shows a strong interest in health tech, SaaS, and data infrastructure. This is reflected in his portfolio, which includes companies like health tech platform Cohere Health and data security company Tausight.

Founders building businesses in Health IT, data services, or SaaS may find him to be a good connection. His investment range of $300K to $2.0M is well-suited for companies raising early capital with an investor who can follow on.

• Investment stages: Seed, Series A, Series B
• Industries of focus: Health IT, SaaS, Cloud Infrastructure, FinTech, Data Services
• Based in: Boston, Massachusetts
• Typical investment size: $300K - $2.0M
• Notable investments: Includes Cohere Health, Tausight, and Simon Data

You can find more information about Dave Barrett on his firm's website or his LinkedIn.

6. Jesse Feldman

Jesse Feldman is a general partner at Battery Ventures, a global investment firm. He is active in early-stage funding, participating in both seed and Series A rounds.

While he has an interest in BioTech, his investment activity shows a broader scope. His investment range is notably wide, from $250K up to $60.0M, signaling a capacity to support companies from their initial stages through major growth phases.

Founders with companies in the BioTech space raising seed or Series A funding may find him to be a good match. Given his firm's resources and flexible investment size, he could also be a valuable partner for founders in other industries who need substantial capital to scale.

• Investment stages: Seed, Series A
• Industries of focus: BioTech
• Based in: Boston, Massachusetts
• Typical investment size: $250K - $60.0M
• Notable investments: Includes Drillinginfo

You can find more information about Jesse Feldman on his firm's website or his LinkedIn profile.

7. Paul Ferri

Paul Ferri is a founder of Matrix Partners and a seasoned investor in the Boston area. He is known for his early-stage investments, often participating in pre-seed, seed, and Series A rounds.

His investment activity shows a focus on enterprise software, e-commerce, and SaaS companies. His involvement with businesses like Verivue and Veveo, which went on to raise substantial funding, points to a strategy of backing companies with strong long-term growth potential.

Founders with early-stage companies in his focus sectors who are looking for an initial investment between $100K and $10M may find him to be a good fit. His experience suggests he is a valuable partner for teams seeking to build a lasting business.

• Investment stages: Pre-seed, Seed, Series A
• Industries of focus: Enterprise, E-commerce, SaaS
• Based in: Boston, Massachusetts
• Typical investment size: $100K - $10.0M
• Notable investments: Includes Verivue, Veveo, and Winphoria Networks

You can find more information about Paul Ferri on his firm's website or Crunchbase.

8. Nick Grossman

Nick Grossman is the GM of Special Projects at Union Square Ventures, where he invests in early-stage companies. He participates in both seed and Series A rounds, with a clear interest in Web3, data services, and security.

His investment activity shows a focus on foundational technologies and infrastructure. As part of a major venture firm, he likely offers founders significant technical depth and operational support beyond just capital, backing companies like Reservoir and Pluralis Research.

Founders building companies in the Web3 or data infrastructure space may find him to be a good match. He is a relevant contact for teams raising between $1 million and $6 million who are looking for a partner with deep industry connections.

• Investment stages: Seed, Series A
• Industries of focus: Web3/Crypto, Data Services, Security
• Based in: Boston, Massachusetts
• Typical investment size: $1.0M - $6.0M
• Notable investments: Includes Reservoir and Pluralis Research

You can find more information about Nick Grossman on his personal website or LinkedIn.

9. Todd Dagres

Todd Dagres is a co-founder and General Partner at Spark Capital, a venture capital firm based in Boston. He primarily participates in Series A and Series B rounds, focusing on companies that are ready for significant growth.

His investment activity shows an interest in enterprise, media, and entertainment companies. His involvement with businesses like Freight Farms and the online marketplace 1stdibs highlights a focus on backing companies with established traction that are preparing to scale.

Founders with businesses in his target sectors raising between $5 million and $15 million would find him to be a relevant contact. He is a good potential partner for companies seeking capital and guidance for their next stage of expansion.

• Investment stages: Series A, Series B
• Industries of focus: Enterprise, Media/Content, Entertainment & Sports
• Based in: Boston, Massachusetts
• Typical investment size: $5.0M - $15.0M
• Notable investments: Includes Freight Farms and 1stdibs

You can find more information about Todd Dagres on his firm's website or his LinkedIn profile.

10. Ross Stern

Ross Stern is a Principal at Summit Partners, a growth equity firm where he concentrates on the healthcare and technology sectors. He primarily participates in Series A rounds, providing capital to companies that are poised for significant growth.

His investment activity shows a strong focus on health tech, including Digital Health, BioTech, and Health IT. His involvement in the $34M Series A for Signavio indicates an interest in backing established companies ready to scale their operations.

Founders with businesses in the health tech space who are raising a Series A round may find him to be a good match. He is a relevant contact for companies seeking between $5 million and $50 million to expand their market presence.

• Investment stages: Series A
• Industries of focus: Health & Hospital Services, Digital Health, BioTech, Health IT
• Based in: Boston, Massachusetts
• Typical investment size: $5.0M - $50.0M
• Notable investments: Includes Signavio and PharmScript LLC

You can find more information about Ross Stern on his firm's website or LinkedIn.

11. Brian Baynes

Brian Baynes is a founder of several firms, including Petri and Pillar VC, and invests in early-stage companies. He is active in both seed and Series A rounds, with a strong focus on businesses built on scientific and technical foundations.

His background as a founder and scientist, with a PhD from MIT, shapes his investment approach, which is centered on BioTech, Health IT, and pharmaceuticals. He has a history of building companies himself, suggesting he provides deep operational knowledge alongside capital.

Founders with a technical background in the life sciences or health sectors who are raising between $250K and $500K would find him to be a good potential partner. His experience makes him a valuable resource for teams turning complex science into a viable business.

• Investment stages: Seed, Series A
• Industries of focus: BioTech, Health IT, Pharmaceuticals, Impact
• Based in: Boston, Massachusetts
• Typical investment size: $250K - $500K
• Notable investments: Includes Joule Unlimited Technologies

You can find more information about Brian Baynes on his firm's website or his LinkedIn profile.

12. Andrew Hedin

Andrew Hedin is a partner at Bessemer Venture Partners, where he invests across multiple stages, from seed to Series B. He is active in the healthcare and consumer technology sectors.

His investment activity shows a strong interest in health-related companies, including BioTech, Digital Health, and Health IT. He has the capacity for a wide range of investment sizes and has backed companies like Seismic Therapeutic and Kymera Therapeutics.

Founders with companies in the health tech or consumer internet spaces may find him to be a good potential partner. His involvement across multiple funding stages makes him a relevant contact for businesses at various points in their growth.

• Investment stages: Seed, Series A, Series B
• Industries of focus: Health & Hospital Services, Digital Health, BioTech, Health IT, Consumer Internet
• Based in: Boston, Massachusetts
• Typical investment size: $1.0M - $250.0M
• Notable investments: Includes Seismic Therapeutic, Kymera Therapeutics, and Plenful.

You can find more information about Andrew Hedin on his firm's website or his LinkedIn profile.

13. Timothy Barrows

Timothy Barrows is a partner at Matrix Partners, where he invests in early-stage technology companies. He is known for backing businesses from their initial pre-seed and seed stages through their Series A rounds.

His investment activity shows a strong interest in foundational technologies, particularly in Cloud Infrastructure, SaaS, and TransportationTech. His portfolio includes companies like CloudZero and Affirmed Networks, indicating a focus on businesses building core enterprise infrastructure.

Founders with companies in his areas of interest who are raising between $100K and $10M may find him to be a good potential partner. He is a relevant contact for teams looking for an investor with experience in scaling technically complex businesses.

• Investment stages: Pre-seed, Seed, Series A
• Industries of focus: Cloud Infrastructure, TransportationTech, SaaS
• Based in: Boston, Massachusetts
• Typical investment size: $100K - $10.0M
• Notable investments: Includes CloudZero and Affirmed Networks

You can find more information about Timothy Barrows on his firm's website or Crunchbase.

14. Paul Furer

Paul Furer is a Principal at Summit Partners, a growth equity firm. He invests across multiple stages, from seed to Series B, and has a broad interest in several technology and healthcare sectors.

His investment activity shows a wide scope, covering industries from FinTech and E-commerce to BioTech and Digital Health. With an investment range of $5.0M to $50.0M, he focuses on companies that are ready for significant growth capital.

Founders with businesses in his areas of interest who are raising a substantial round for scaling would find him to be a good potential partner. His role at a major firm suggests he can provide access to extensive resources beyond the initial investment.

• Investment stages: Seed, Series A, Series B
• Industries of focus: Health & Hospital Services, FinTech, E-commerce, BioTech, Education
• Based in: Boston, Massachusetts
• Typical investment size: $5.0M - $50.0M
• Notable investments: Includes 48forty

You can find more information about Paul Furer on his firm's website or his LinkedIn profile.

What Boston’s Angel Investor Activity Tells Us

Looking at the investors we've covered, a few patterns in Boston's funding environment become clear. The city has a healthy mix of investors active from pre-seed through Series B, suggesting support is available for companies at various points of growth.

Many investors on our list participate in multiple funding rounds, which can be good news for founders seeking long-term financial partners. In terms of industries, there is a notable concentration in health tech, BioTech, and enterprise software.

However, the variety of interests—from consumer internet to Web3—shows that opportunities exist for many types of businesses. For you, this means that focusing your outreach on investors who align with both your company's stage and industry can make your fundraising efforts more effective.

Raise Confidently with Rho

Fundraising requires significant time and focus, which is why a targeted list of investors is so important. We hope this guide helps you connect with the right partners for your company's next stage.

If you’ve just raised, Rho can help you set up your financial stack in minutes. Our platform provides business banking, corporate cards, and automated bill pay designed for growing startups.

This setup helps you manage your new capital with precision, directing your funds toward growth and operations. It reduces the time spent on manual financial tasks so you can concentrate on building your business.

FAQs about Angel Investors in Boston, Massachusetts

Are there angel investors in Boston for BioTech startups?

Boston is a major hub for BioTech, and many angel investors in the area have experience in this sector. Founders with companies in life sciences or biotechnology can find investors who understand the unique challenges and long development cycles of the industry.

How do I find angel investors in Boston MA?

Beyond lists like this one, networking at local startup events and connecting with founders in your industry are effective ways to get introductions. You can also explore platforms designed to find angel investors and build targeted outreach lists.

What is the typical check size for Boston angel investors at the seed stage?

Check sizes vary widely, but many Boston angel investors provide seed-stage funding ranging from $100K to over $2M. The amount often depends on the investor's capacity and the startup's specific capital needs at that time.

How does the Boston angel investor scene compare to New York?

While both cities have strong investor communities, Boston is particularly known for its deep tech and BioTech focus. New York's ecosystem often shows more activity in FinTech, media, and direct-to-consumer brands, reflecting different regional strengths.

What do angel investors in Boston look for?

Angel investors in Boston typically look for a strong founding team, a large addressable market, and a clear business model. Having early traction or a unique technological advantage can also make your company more attractive to them.

How can Rho help after I secure funding from angel investors?

Once you've raised capital, our platform helps you manage it effectively. With business banking, corporate cards, and automated payments, Rho provides the financial tools you need to scale your startup with confidence.