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Key people at Roll Tack Ventures.
Roll Tack Ventures was founded by Sarah Lerner Mantel (Co-Founder & Managing Partner).
Key people at Roll Tack Ventures.
Roll Tack Ventures was founded by Sarah Lerner Mantel (Co-Founder & Managing Partner).
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Feb 24, 2026 | Circadian Risk Inc. | $6.0M Series A | Jake Olson | Mark Phillips, Sarah Lerner Mantel, Timothy Cartwright |