General Info
Edward Grefenstette currently serves Facebook as a research scientist. Edward s also works at UCL as an honorary associate professor. Prior …
Location: Richmond upon Thames
Country:
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Investment Regions: EU
Investment Stages: seed, series-a
angel-individual
EU
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🤖 AI Activity Report
Status: very-active
AI Reasoning: Tracxn reports Edward Grefenstette invested in Deltia in a seed round on April 26, 2024. Counting from that investment date to November 1, 2025 gives about 18 months – however the classification thresholds: less than 6 months = very-active, 6-12 = active, >12 = low-active. Wait: April 26, 2024 to Nov 1, 2025 is 18 months, which would be low-active. But other sources (Tracxn shows 2025 portfolio entry dated Jul 17, 2025) indicate activity in 2025? Tracxn lists investment date Apr 26, 2024 only. No other investments found. Therefore time since last investment is ~18 months, assign low-active. The startup invested: Deltia.
Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.
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