Trousdale Ventures — 2021 Investments
2 investments dated 2021 · listed companies and verified rows first · show all
hai makes a smart showerhead with a water-flow-powered turbine that runs LED alerts and Bluetooth, tracks water and energy use, and offers aromatherapeutic, vitamin-rich shower infusions.
CleantechConsumerHardwareIoTWellness & FitnessManhattan Beach, US
Leonard Brody(Director)Edward Holzman(Director)Leah Stigile(Executive Officer, Director)Patrick Gibson(Director)
Co-investorsA-Rod CorpAnimal CapitalREMUS Capital
Preamble provides AI security solutions to protect sensitive artificial intelligence systems against emerging threats and vulnerabilities.
AI & Machine LearningCybersecurityEnterprise Software
Jeremy(Founder)Jon Cefalu(Cofounder)in
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.




