Brian Balfour

Founder and CEO of Reforge, an entrepreneur, and an angel investor focusing on growth and user acquisition.

Angel Investor Active San Francisco, United States
Last updated 2026-07-20
Portfolio
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in our dataset
Rounds participated
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Rounds led
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Rounds' value
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Stages

About

Brian Balfour is the Founder and CEO of Reforge, an online platform offering programs and content for professionals in product, growth, and AI. He was previously the VP of Growth at HubSpot and has co-founded several other startups. Balfour is also an angel investor with a portfolio that includes companies in the United States and Israel. He is known for his expertise in growth and user acquisition, and he frequently writes and speaks on these topics.

Portfolio

No portfolio companies in this dataset yet.

Investment activity

Portfolio by sector

Business Software1

Q&A

What is Brian Balfour's primary investment focus?
Brian Balfour primarily invests in the Business Software sector. His portfolio includes companies like Loops, which is an analytics platform.
Has Brian Balfour led any investment rounds?
According to startupim data, Brian Balfour has not led any investment rounds.
What is Brian Balfour's investment stage preference?
Brian Balfour has invested in Seed stage companies. For example, he participated in the Seed round for Loops.
When was Brian Balfour's most recent investment activity?
Brian Balfour's most recent investment activity was in November 2022.
What is a notable company in Brian Balfour's portfolio?
A notable company in Brian Balfour's portfolio is Loops, an analytics platform for product and growth managers, which raised a $14M Seed round.
What is Brian Balfour's role as an investor?
Brian Balfour is an angel investor.
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Patents

EPO1