An angel investor based in Sydney, New South Wales, Australia, Mike Zimmerman has 3 known investments: InDebted, Propeller Aero and Birch.
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Investment focus
Contacts
Mike Zimmerman portfolio companies (3)
- InDebted
- Propeller Aero
- Birch
Affiliated funds' portfolios
Co-founder and Partner at Main Sequence, whose known portfolio counts 10 companies
- The EVERY Company
- Gilmour Space Technologies
- Advanced Navigation
- MGA Thermal
- Kasada
- Cauldron Ferm
- Arlula
- Breaker
- DeteQt
- Number 8 Bio
Investor Profile
The listing covers sectors AI, Climate and Hardware, and focus areas AgriTech, Autonomous Systems, Biotech and Robotics. Startups operating in these areas may find Mike Zimmerman relevant.
Mike Zimmerman appears in Seed and Series A rounds across the known deals.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Colleagues at Main Sequence
Phil Morle
Partner
Sydney, Australia
Danielle Haj-Moussa
Investment Manager
Sydney, Australia
Jun Qu
Principal
Sydney, Australia
Alezeia Brown
Principal
Australia
Gabrielle Munzer
Partner
Melbourne, Australia
Bill Bartee
Managing Partner
Sydney, Australia
Alison Deans
Member of Investment Committee
Sydney, Australia
Erika Enberg
Director
Sydney, Australia
Martin Duursma
Partner
Sydney, Australia
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Frequently asked questions
Who is Mike Zimmerman?
Mike Zimmerman is an angel investor based in Sydney, New South Wales, Australia with 3 known investments on file, among them InDebted, Propeller Aero and Birch. The sections above list the sectors, stages and firms attached to that record.
What does Mike Zimmerman invest in?
Listed sectors include AI, Climate and Hardware; listed focus areas include AgriTech, Autonomous Systems, Biotech and Robotics. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Mike Zimmerman invest at?
The known deals of Mike Zimmerman include Seed and Series A rounds. 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 Mike Zimmerman listed at?
Mike Zimmerman is listed as Co-founder and Partner at Main Sequence. 9 other people in the database share a firm with Mike Zimmerman.
How do I contact Mike Zimmerman?
An email address, a phone number and a LinkedIn page are on file for Mike Zimmerman. 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