/Investor DB

Preston-Werner Ventures — 2025 Investments

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

Aliniaalinia.aiinOct 2025

Alinia develops AI guardrails for financial enterprises, specifically Investment Guard, a compliance system that detects unqualified investment advice in AI assistants under MiFID2 and EU financial regulations.

AI & Machine LearningCybersecurityEnterprise SoftwareFintechDover, US

Ariadna Font Llitjos(Executive Officer, Director)inCarlos Munoz Ferrandis(Executive Officer, Director)

BoardManuel Silva Martinez(Director)

Co-investorsKfundMouro CapitalPrecursor VenturesSpeedinvest

Commutator Studioscommutatorstudios.cominSeed · Jul 2025 · $2M

Commutator Studios offers a tool that automatically optimizes quantum applications by finding the best execution parameters across different quantum computers, reducing errors and improving accuracy, reliability, and performance.

Deep TechDeveloper ToolsQuantum Computing

Co-investorsbacktrace capitalMK Venture CapitalQAI Ventures

Creatify AIcreatify.aiin𝕏Series A · May 2025 · $16M

Creatify builds an AI system that generates, tests, and optimizes advertising creative automatically at scale across channels and audiences.

AdTechAI & Machine LearningMarketing TechMountain View, US

Yinan Na(Co-founder & CEO)inChaz Z(Founder)Katie Wu(Founder)inLedell Wu(Co-founder & Chief Research Scientist)inXin Zhou(Co-founder & CTO)inYu Wu(Director)

Co-investorsComcast VenturesKindred VenturesNFDGWndrCoBrighter CapitalCreator Ventures+4 more

Milestonemstone.aiin𝕏Seed · Nov 2025 · $10M

Milestone is an analytics platform that tracks AI spend, coding agents, software delivery, and custom KPIs by grounding answers in a company's engineering data.

AI & Machine LearningDeveloper ToolsEnterprise Software

Liad Elidan(Founder)in

Co-investorsHeavybitAtlassian Ventures

Sourcetablesourcetable.comin𝕏Seed · Mar 2025 · $4.3M

Sourcetable is an AI-powered spreadsheet that lets users query databases and applications in plain English, generate charts, clean and structure data, and run Python-based analysis without switching tools.

AI & Machine LearningData & InfrastructureFuture of WorkSaaSSan Francisco, US

Eoin J.W. McMillan(Executive Officer, Director)in

BoardMichael Berolzheimer(Director)in

Co-investorsAmplify.LABee PartnersJames Beshara FundNextView VenturesTRAC (Third Round Analytics Capital)Greycroft+1 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.