Siobhan Brewster is an angel investor based in Berlin, Germany with one known investment, Yababa.
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Investment focus
Contacts
Siobhan Brewster portfolio company (1)
- Yababa
Affiliated funds' portfolios
Investor at Kauffman Fellows, whose known portfolio counts 5 companies
- Ligandal
- Catalog
- Flash
- Sidecar Health
- Elves
General Partner at Aenu, whose known portfolio counts 10 companies
- Entrix
- trawa
- LGND
- Plume
- XFuel
- ScyAI
- feld.energy
- Equitable Earth
- Beagle Systems
- EPYR
Investor Profile
The listing covers sectors Climate, Consumer, Education and FinTech, and focus areas Circular Economy, Clean Energy, EdTech and Payments. Startups operating in these areas may find Siobhan Brewster relevant.
Siobhan Brewster is listed for Seed and Series A rounds in the database.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
Colleagues
Showing 20 of 194
Konstantin Vinogradov
Fellow - Class 30
London, United Kingdom
Heather Hartnett
Affiliated
New York, United States
Amit Anand
Kauffman Fellow
Singapore
Ashley Mayer
Kauffman Fellows, Class 27
Brooklyn, United States
Erica Duignan Minnihan
Kauffman Fellow
New York City, United States
Omar Darwazah
Investor
New York, United States
Chris McCann
Kauffman Fellows - Class 30
San Francisco, United States
Antonia Rojas Eing
Kauffman Fellow, Class 25
Mexico City
Bedy Yang
Kauffman Fellow
San Francisco, United States
Luis X Barrios
Class 20
Mexico City
Thad Langford
Kauffman Fellow Class 22
Kansas City, United States
Sherman Williams II
Class 26
New York, United States
Henrik Wetter Sanchez
Kauffman Fellow (Class 28)
London, United Kingdom
Gyan Kapur
Kauffman Fellow (Class 27)
New York, United States
Reshma Sohoni
Fellow
London, United Kingdom
Daniel Kimerling
Fellow
Albuquerque, United States
Lawrence Leuschner
Venture Partner
Berlin, Germany
Dan Malven
Member
Chicago, United States
Trish Costello
CEO/CEO Emeritus
San Mateo, United States
Amal Dokhan
Kauffman fellow (Class 27)
Riyadh, Saudi Arabia
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Reshma Sohoni
Founding Partner Seedcamp
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Robin Behlau
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Frequently asked questions
Who is Siobhan Brewster?
Siobhan Brewster is an angel investor based in Berlin, Germany with one known investment on file, Yababa. The sections above list the sectors, stages and firms attached to that record.
What does Siobhan Brewster invest in?
Listed sectors include Climate, Consumer, Education and FinTech; listed focus areas include Circular Economy, Clean Energy, EdTech and Payments. 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 Siobhan Brewster invest at?
The database lists Siobhan Brewster for 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 Siobhan Brewster listed at?
Siobhan Brewster is listed as General Partner at Aenu. 194 other people in the database share a firm with Siobhan Brewster.
How do I contact Siobhan Brewster?
An email address, a phone number and a LinkedIn page are on file for Siobhan Brewster. 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