The investor experience connected to Twitter.
Jamesin Seidel was a technical lead working on platform manipulation at Twitter, building systems to detect fake accounts and large-scale abuse.
The linked profile explains the work behind this connection and provides public sources.
Jamesin Seidel built Twitter systems to detect fake accounts and platform manipulation, then developed Chapter One’s data and sourcing infrastructure. She became General Partner in 2025 and helped launch The Engine Room in London.
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