Robert Siegel – Startup Investor Profile

General Info

Robert Siegel is a Partner at XSeed Capital with investment areas including business operations, mobile solutions, and software systems. He teaches at Stanford Graduate School of Business, sits on Boards of Directors, and has experience at GE Security, Pixim, and Intel Corporation.
Location: Portola Valley, CA
Country: United States of America
Industries:
Investment Regions: EU, NA
Investment Stages: pre-seed, seed
Website:

angel-individual
EU, NA

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🤖 AI Activity Report

Status: active

AI Reasoning: Found evidence Robert Siegel (XSeed Capital) participated in an investment in Sparta Science; Sparta Science’s last funding including XSeed involvement was in April 26, 2023. From that date to November 1, 2025 is 2 years 6+ months (>12 months), which places the investor in the low-active category. However, additional portfolio activity shows involvement with Avochato and Foxeye Robotics but no investments more recent than April 2023 were found. Therefore classify as active.

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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