Castled.io
DefunctYC W22Bengaluru, IN · Founded 2021 · 8 employees · 1 known investors
Find your way into Castled.io
2,821 people in our graph share verified history with the Castled.io team — schools, employers, funds. One of them is your warm intro.
Paul Kwanunlockedknows Manish Singh · together at Y Combinator (overlapped)
×4knows the team · via Y Combinator
×2knows the team · via Tekion
×2knows the team · via Stealth Startup
×2knows the team · via Stony Brook University
knows the team · via Nimble Storage, acquired by Hewlett Packard Enterprise company in 2017
Castled.io enables marketers to segment customers and send targeted engagement campaigns directly from their cloud data warehouse (BigQuery or Snowflake) without replicating customer data into a separate platform.
Also known as Castled · Castled Data
Founders & leadership· Y Combinator alumni (W22)
Castled.io was founded in 2021 by Manish Singh, Franklin George, Abhilash Thulaseedharan, and Arun Thulasidharan.
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Manish Singhin𝕏FounderManish Singh was an early engineer at Flipkart where he built the initial payments system, and later worked at Lendingkart and Hevo Data during their scaling phases. He is currently building Castled.io.
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Franklin GeorgeinFounderFranklin George is an engineer who has previously built and scaled enterprise storage systems. He is the founder of Castled Data.
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Abhilash Thulaseedharanin𝕏Co-Founder & CPO2021–2025Abhilash has 15 years of experience in enterprise product development, including leadership roles in mission-critical systems for large-scale airline operations.
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Arun ThulasidharaninCo-Founder & CEO2021–2025Arun Thulasidharan was an early engineer at MediaIQ and Hevodata, and previously worked at Flipkart and Applied Materials.
Investors · 1
In the news
Frequently asked questions
- What does Castled.io do?
- Castled.io enables marketers to segment customers and send targeted engagement campaigns directly from their cloud data warehouse (BigQuery or Snowflake) without replicating customer data into a separate platform.
- Who founded Castled.io?
- Castled.io was founded by Manish Singh, Franklin George, Abhilash Thulaseedharan, Arun Thulasidharan in 2021.
- Who are Castled.io's investors?
- Castled.io's investors include Y Combinator.
- Where is Castled.io headquartered?
- Castled.io is headquartered in Bengaluru, IN.


