Justin M. Block is an Investor at Block, whose known portfolio counts 12 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Investor at Block, whose known portfolio counts 12 companies
- Flip
- TRM Labs
- Stem Disintermedia
- Servify
- Satispay
- Yellow Card
- Gemini
- Tezos
- Gridless
- Kyash
- Aston Reinvestment Trust
- Telda
Investor Profile
The listing covers sectors Commerce, Consumer and FinTech, and focus areas Creator Economy, Crypto, DeFi and E-Commerce. Startups operating in these areas may find Justin M. Block relevant.
Block appears in Growth, Seed and Series A rounds across its known deals.
The firm portfolio and the focus above give founders context on whether Justin M. Block matches their raise.
Colleagues at Block
Roelof Botha
Board Member
Menlo Park, United States
Bernier Lauredan Jr.
Strategy & Planning Leader
Los Angeles, United States
Brian Grassadonia
Ecosystem Lead
San Francisco, United States
Doug Howard
Investor
Denver, United States
Chase Bucklew Geddes
Support Content Lead
Portland, United States
Paul N.
Chief Privacy Officer
San Francisco, United States
Ias Arjun Raj Sinha
Investor
San Francisco, United States
Allan Markerburg
Investment Analyst
Gainesville, United States
Frequently asked questions
Who is Justin M. Block?
Justin M. Block is an accelerator partner and corporate venture investor based in Jacksonville Beach, Florida, United States, listed as Investor at Block. The known portfolio of that firm counts 12 companies. That portfolio belongs to the firm, not to Justin M. Block personally.
What does Justin M. Block invest in?
Listed sectors include Commerce, Consumer and FinTech; listed focus areas include Creator Economy, Crypto, DeFi and E-Commerce. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Justin M. Block invest at?
Block appears in Growth, Seed and Series A rounds across its known deals, and Justin M. Block is listed there as Investor. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Justin M. Block listed at?
Justin M. Block is listed as Investor at Block. 8 other people in the database share a firm with Justin M. Block.
How do I contact Justin M. Block?
An email address, a phone number and a LinkedIn page are on file for Justin M. Block. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal