David Jayatillake

✝️ Co-Founder & CTO @ Quarri.ai | Data and AI Engineering writer at davidsj.substack.com

📍 United Kingdom🔄 Updated September 2026💼 4 investments📅 5 years investing🗓 Last invested Sep 2023
Operator-angel🌍 United Kingdom
4
Total investments
2
Early stage
0
Mid stage
0
Late stage
5y
Years active

Portfolio

4 investments · sorted by recency
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Investor
Sep 2023
Replace batch ETL with streaming for lower latency and cost.
Investor
May 2022
Metaplane ensures everyone trusts the data that powers your business. Data teams at Bose, ClickUp, and Klaviyo use our data observability platform to prevent and detect data issues — before the CEO pings them about weird revenue numbers. Metaplane’s best-in-class data observability platform includes automatic anomaly detection, end-to-end column-level lineage, and powerful tools to prevent incidents before they occur. And, best of all, getting set up is as easy as flipping a switch.
Investor
Nov 2021
Lightdash is an open source BI alternative to Looker, built for analysts on top of the modern data tools they already use and love. Lightdash brings your visual layer together with your data modelling and transformation layer, creating a single source of truth for data metrics for teams.
Investor
Apr 2021
Gravitys mission is to make streaming data easy from over 100 sources while only paying for what you use. Gravity removes the reliance on engineering teams to deliver streaming pipelines with a simple interface to get streaming up and running in minutes from databases, event data and APIs. Everyone in the data team can now build with simple point and click so that you can focus on building apps, services and customer experiences. Learn more at https://gravitydata.co/
Experience · 6 entries
All (6)
Investments (4)
Founder (2)
2025
Co-Founder & CTO
Aug 2025
We transform messy disconnected into a single clean data pool using cutting edge AI tooling. We then layer on natural language interfaces for deep analytics, dashboarding, notifications and data retrieval. Find out more at Quarri.ai
2023
Investor
Sep 2023
Replace batch ETL with streaming for lower latency and cost.
Co-Founder & CEO
Mar 2023
Delphi provides a natural language interface to data, while ensuring safe answers and guardrails. Existing work by analysts and semantic layers are leveraged to provide the best experience.
2022
Investor
May 2022
Metaplane ensures everyone trusts the data that powers your business. Data teams at Bose, ClickUp, and Klaviyo use our data observability platform to prevent and detect data issues — before the CEO pings them about weird revenue numbers. Metaplane’s best-in-class data observability platform includes automatic anomaly detection, end-to-end column-level lineage, and powerful tools to prevent incidents before they occur. And, best of all, getting set up is as easy as flipping a switch.
2021
Investor
Nov 2021
Lightdash is an open source BI alternative to Looker, built for analysts on top of the modern data tools they already use and love. Lightdash brings your visual layer together with your data modelling and transformation layer, creating a single source of truth for data metrics for teams.
Show all 6 entries ↓
Investment activity
2021–2023 · 4 investments
202122022120231
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