AI · San Mateo, United States

Besimple AI

Besimple AI is a San Mateo-based platform founded by former Meta leaders that enables AI companies to continuously improve and monitor their models through human-in-the-loop feedback and oversight.

Backed by Y Combinator

Work at Besimple AI?

Location
San Mateo, United States
Team size
1-10
Founded 2025
Total raised
$4M
Seed · last round Dec '25

About Besimple AI

Besimple AI is a San Mateo-based company founded by former Meta product and engineering leaders from MIT and Brown University. The company operates with a focused team of approximately 13 people and has built a data flywheel platform designed specifically for AI companies. Besimple AI enables continuous model improvement and monitoring through human-in-the-loop processes, helping organizations refine their AI systems with real-world feedback and oversight.

Culture & values

Every team member is expected to take full ownership of their work and drive projects to completion independently

The team works cross-functionally with engineers, operations, and leadership sitting together and communicating directly

With 13 people and growing demand, every person has outsized impact on the company's trajectory

The team values people who are hands-on, resourceful, and willing to do whatever it takes to deliver results

No ego culture within the team

While ambitious and moving fast, weekend work is not an expectation

Team trusts people to manage their time and step up when projects need it

Team is young and collaborative

Works together in-office five days a week in San Mateo, CA

Funding

$4Mtotal raised

Jun '25Dec '25
  • Dec 2025 · Seed
    $3M
  • Jun 2025 · Pre-seed
    $500k
  • Jun 2025 · Seed
    $500k
  • Y Combinator

Company at a glance

Founded2025
Location
San Mateo, United States
LinkedInLinkedIn

The team at Besimple AI

1-10 peopleSee everyone on LinkedIn

Luc Debaupte

Fullstack Software Engineer - Computer Science - Cloud Computing - Management Software - Web App development

BW

Bill Wang

Besimple.ai, Y Combinator X25 | Ex-Meta | Brown

YZ

Yi Zhong

Product Manager at Facebook

Lisa Kaelin

AI • Editing • Crypto • 🇺🇸

Team breakdown

Team Distribution

  • Software Engineering45%
  • Other Specialized27%
  • Leadership18%
  • Business Operations & Management9%

Where the Team Studied

  1. 1.University of Toronto
  2. 2.Brown University
  3. 3.Massachusetts Institute of Technology
  4. 4.University of Waterloo
  5. 5.Purdue University

Team Worked At

  • Meta
  • Microsoft
  • Airbnb
  • xAI
  • Dropbox

Location

Team Composition

10 people
  • Engineering and Technical1 senior5
  • Consulting2 senior2
  • General Management1
  • Operations1 senior1

Life at Besimple AI

Frequently asked questions

Besimple AI is based in San Mateo, United States.

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