Sarah Green
Co-founder @ Protagonist Capital
Sarah Green is a pre-seed investor at Protagonist Capital focused on Children and Software. Sarah Green is the Co-founder at Protagonist Capital.
- Total investments:
- 2
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Sarah Green invests in
Stages Sarah Green invests in
Countries Sarah Green invests in
Round sizes
Round size
- Pre-Seed
- $750k–$860k
Investment Focus
Industry
- Children 1 (50%)
- Software 1 (50%)
- Education 1 (50%)
Country
- Australia 1 (50%)
- New Zealand 1 (50%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Polymath
|
Polymath is an app designed specifically for children that makes screen time fun, productive, and healthy. | $859.7K / Pre-Seed / Feb 17, 2025 | |
Outread
|
Outread uses AI to summarize key academic publications. (Blinkist is useful for academic study. | $750K / Pre-Seed / Apr 29, 2024 |
Co-Investors
Blackbird Ventures
2 deals together
GD1 (Global From Day One)
1 deal together
GD1 (Global From Day One)
1 deal together
Phase One Ventures
1 deal together
Startmate
1 deal together
About Protagonist Capital
Protagonist is a seed fund that makes investments in businesses where the use of narrative helps accelerate growth.
Protagonist Capital Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Kate Dinon
Co-founder and Managing Partner
|
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|
Sarah Green
Co-founder
|
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3 more contacts available
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FAQ
What does Sarah Green invest in?
Sarah Green invests primarily in Children, Software and Education startups, most often at Pre-Seed stage. Most of the 2 investments tracked by Shizune back companies in Australia. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Sarah Green's check size?
Sarah Green typically joins rounds of $750k–$860k at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Sarah Green participates in.
When did Sarah Green last invest?
The most recent investment recorded for Sarah Green closed in Feb 2025. Shizune tracks 2 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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