Sirsak
1 known investors
Find your way into Sirsak
235 people in our graph share verified history with the Sirsak team — schools, employers, funds. One of them is your warm intro.
Yi Min Lohunlockedknows Angeline Callista · together at The London School of Economics and Political Science (LSE) (overlapped)
×9knows the team · via The London School of Economics and Political Science (LSE)
knows the team · via undp
knows the team · via Universitas Pelita Harapan
Sirsak is a green-tech startup in Indonesia that uses technology to manage packaging waste, including low-value materials, and to provide social security for waste pickers. It works with government, business, and community stakeholders to build circular economy solutions for waste management.
Founders & leadership
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Angeline CallistainCo-founderAngeline Callista is co-founder of Sirsak, an Indonesian technology company that builds systems to track low-value packaging waste and provide social protection for informal waste workers through a network of collection points, waste banks, and recyclers.
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ViolyCo-founder
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MangkuCo-founder
Investors · 1
Funding
SEC filings, press & company announcements- Undisclosed amountPre-SeedJul 2025 · 3 sourcesSource ↗
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Frequently asked questions
- What does Sirsak do?
- Sirsak is a green-tech startup in Indonesia that uses technology to manage packaging waste, including low-value materials, and to provide social security for waste pickers. It works with government, business, and community stakeholders to build circular economy solutions for waste management.
- Who founded Sirsak?
- Sirsak was founded by Angeline Callista, Violy, Mangku.
- Who are Sirsak's investors?
- Sirsak's investors include Openspace Ventures.