City

Investors in Waltham, United States: Angels and VC Firms

The RaiseHunt database lists 45 investors in Waltham, United States: 17 angel investors and 28 people at 4 firms. Most list Seed and Growth among their stages.

Strongest in Waltham

Common stages: Seed and Growth

45
Waltham, United States investors
17
Angel investors
28
People at VC/PE firms
4
Firms tagged

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45 Waltham, United States investors

Showing 1-20

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Jim Pelusi
Jim Pelusi

Managing Director

Waltham, United States
Angel
HardwareSaaS
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Mikael Hagstroem
Mikael Hagstroem

angel investor and operator angel

Waltham, United States
AngelOperator angel
AIClimate
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Michael Curtis
Michael Curtis

angel investor and operator angel

Waltham, United States
AngelOperator angel
ClimateHealthcare
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John Grossman
John Grossman

angel investor

Waltham, United States
Angel
AIEnergy
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Peter Barrett
Peter Barrett

Partner

Waltham, United States
Venture capital
CommerceConsumer
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Ian Daigle
Ian Daigle

Investment Partner

Waltham, United States
Venture debt
AIHardware
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John Corcoran
John Corcoran

Investor

Waltham, United States
AcceleratorCorporate VC
AIHealthcare
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Aidan Swenson
Aidan Swenson

Investment Analyst

Waltham, United States
Private equity
AICommerce
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Chris Zimmel
Chris Zimmel

Real Estate Investor and Agent

Waltham, United States
Angel
ClimateHealthcare
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Ralph Dangelmaier
Ralph Dangelmaier

Strategic Advisor

Waltham, United States
AngelOperator angel
CommerceConsumer
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Brett Marley
Brett Marley

angel investor and operator angel

Waltham, United States
AngelOperator angel
ConsumerEducation
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William Booth
William Booth

Investor

Waltham, United States
Private equity
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JG
Julie Gionfriddo

Investor

Waltham, United States
Venture capital
AIHealthcare
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BY
Bryce Youngren

Managing Partner

Waltham, United States
Private equityVenture capital
AIHealthcare
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SG
Scott Gieselman

Partner

Waltham, United States
Private equity
AIClimate
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AA
Annie Asrari

Principal

Waltham, United States
Private equity
AICommerce
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TM
Terry McGuire

Partner

Waltham, United States
Venture capital
AIHealthcare
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BS
Brian Silva

Global Chief Human Resources Officer

Waltham, United States
Corporate VC
HardwareHealthcare
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KB
Kevin Bitterman

Principal

Waltham, United States
Venture capital
AIHealthcare
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FZ
Fu Zhou

Investor

Waltham, United States
Corporate VC
ClimateHardware
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5 of 45 Waltham, United States investors, A to Z

Grouped by first letter. Name and profile link only, the detailed rows are in the table above.
Show

B1

  • Ben Lipps

J2

  • John Lawrence
  • John Warden

P2

  • Paul Margolis
  • Peter Roberts

Frequently asked questions

How many investors in Waltham, United States are on RaiseHunt?

RaiseHunt currently lists 45 investors in Waltham, United States.

Are investors in Waltham, United States angels or funds?

Both. 17 are angel investors putting in their own money, and 28 are people making investment decisions at 4 firms.

What stage do investors in Waltham, United States invest at?

Most list Seed and Growth among the rounds they take part in.

How do I contact investors in Waltham, United States?

Every profile shows whether an email address is on file. The addresses themselves, along with AI matching and outreach, are in the RaiseHunt app.

Is the list of investors in Waltham, United States free to browse?

Yes. The directory and every profile page are free to read. Matching your own startup against them requires an account.

Do I have to be based in Waltham, United States to raise from investors there?

Not usually. Plenty of investors back companies outside their own city, and remote first meetings are normal. Being in Waltham, United States helps with introductions and follow-on conversations, but it is rarely the thing that decides an investment.

Does a warm introduction still matter?

It helps, mostly because it moves your email out of a crowded inbox. It is not a requirement. A cold message that shows you understand what someone has already backed, and why your company fits that pattern, gets read more often than a vague introduction from a distant contact.

How do I know which Waltham, United States investors are a fit?

Look at what they have already funded rather than what their profile says they like. Stage matters most, then sector, then geography. An investor who has never funded anything at your stage is unlikely to start with you, however well the sector lines up.

How long does raising a round usually take?

Longer than most first-time founders plan for. The work splits into building the list, running outreach, taking meetings, and closing, and each stage can stretch. Start before you need the money, not when the runway is short.

What do investors look at first?

The team and the problem, in that order, before the product. Early on there is rarely enough traction to argue from numbers alone, so the question they are answering is whether these particular people are likely to work this problem out.

Should I raise from one investor or several?

Several, in almost every case. A single backer concentrates the risk of the round collapsing if that one conversation goes cold, and a group brings more introductions later. Rounds are usually assembled from a lead plus others who follow.

Data: RaiseHunt investor dataset · Snapshot 27 August 2026 · How this data is built · Report a correction or request removal