About W5D

We're building the calm operating layer for human + AI work.

Founded in 2024 by a team of designers, engineers, and operators who got tired of AI tools that demanded more attention than they returned.

Our story

From frustration to focus.

In late 2023, our co-founders were running an ops team at a fast-growing startup. They had access to every shiny new AI tool — and somehow, they were busier than ever. Each tool added a tab, a notification, a context switch. The tools were saving minutes and stealing hours.

So they sketched what an "anti-tool" might look like. Something that disappeared until you needed it. Something that did the work in the background and only showed up with a result, a question, or a draft. Something that respected your attention as much as your output.

That sketch became W5D. Today we're a team of 38 across three continents, supporting 42,000+ teams who'd rather make than manage.

Principles

Four things we won't compromise on.

Quiet by default

No badge counts. No nudges. The product earns your attention by being useful, not loud.

Cite or it didn't happen

Every claim our agents make has a source. If we can't cite it, we don't say it.

Your data stays yours

Zero-retention routing, per-tenant keys, full audit logs. We're never the source of training data.

Craft over cleverness

We sweat the small stuff. Pixels, latency, and the words on every button.

Timeline

A short history.

Q4 2023

The first sketch

Co-founders Lina and Jules write a 4-page memo titled "Tools that disappear" and start prototyping nights and weekends.

Q2 2024

Seed round + first 50 design partners

$8M led by Caldera Ventures. The product takes shape with feedback from 50 hand-picked teams.

Q1 2025

Public launch

Agents 1.0, 30 integrations, and SOC 2 Type II on day one. 12,000 teams sign up in the first month.

Q4 2025

Series A + global team

$32M Series A. Engineering hubs in Lisbon, Toronto, and Singapore.

Today

Agents 2.0

Multi-step reasoning, parallel tools, 60% cost cut on long runs. 42,000+ teams shipping with W5D.

The team

38 humans. Plenty of agents.

Lina Marchetti

Co-founder, CEO

Jules Okoye

Co-founder, CTO

Mira Patel

Head of Design

Theo Lindgren

VP Engineering

Aiko Tanaka

Head of Research

Daniel Soto

Head of Sales

Priya Rao

Head of Security

Owen Brady

Head of People

Backed by

Build something quiet with us.

Customer, candidate, or just curious — we'd love to hear from you.