/Investor DB

PROOF — 2025 Investments

3 investments dated 2025 · listed companies and verified rows first · show all

GrowthX AIgrowthx.aiinJan 2025

GrowthX provides AI-driven service workflows that structure knowledge work as versioned, observable, and continuously improved processes.

AI & Machine LearningEnterprise SoftwareMarketing TechSaaSSan Francisco, US

Marcel Santilli(Founder)inDaniel Lopes(Founder)inNadia Santilli(Executive Officer, Director)Marcel Santili(Founder)

Co-investorsHubSpot VenturesMadrona Venture Group

Rillarilla.cominJun 2025

Rilla is an AI-powered sales coaching platform that analyzes recorded customer conversations to provide personalized coaching for sales teams.

AI & Machine LearningSaaSSales TechNew York City, US

Christopher Martin(Founder)inMichael Castellanos(Founder)inSebastian Jimenez(Founder & CEO)in

Co-investorsBroom VenturesCrew CapitalDraper DragonEntrepreneurs Roundtable Accelerator (ERA)GV (Google Ventures)HubSpot Ventures+8 more

Underdogunderdogfantasy.comin𝕏Jan 2025

Underdog Fantasy offers a sports predictions and betting product where users make picks on team outcomes, spreads, totals, moneylines, and parlays for entry amounts from $1 to $2,000.

ConsumerGamingSports TechBrooklyn, US

Jeremy Levine(Founder)inJena Pollock(Executive Officer)inBrandon Alan Stakenborg(Executive Officer, Director)Brandon Stakenborg(Founder)Trevor John(Founder)

Co-investors305 VenturesAcies InvestmentsBackwards CapitalDarco CapitalMantis CapitalNight Capital+6 more

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.