Security

Cinder

Website
Founded 2022Origin source ↗Checked 2026-09-15

Overview

From content moderation to AI safety, Cinder empowers businesses to orchestrate and automate digital safety at scale. Cinder was founded to help organizations foster safe online spaces for everyone. Our platform empowers companies from start-ups to enterprises with end-to-end capabilities to mitigate harm, investigate abuse, and produce trustworthy and reliable AI outcomes. Building your world-class company means keeping your users and community safe—Cinder unlocks faster growth by making safety easy. We work with customers in every industry from frontier AI labs to e-commerce and social media.

We're hiring across a variety of teams and looking for candidates based in NYC or open to relocating to NYC, and able to work in-person.

Company description As recorded 2026-11-08
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Product & workflow

Connect your policies, review teams, enforcement paths, vendors, and AI systems in one operational surface.

Source-reported As recorded 2026-09-23

Customers & use cases

Cinder helps high-growth companies design, automate, and scale modern trust and safety operations.

Source-reported As recorded 2026-09-23

Founders & team

Glen Wise

Founder

ex-USG ex-Meta After graduating from Carnegie Mellon, Glen joined Facebook as a security engineer to lead the build out of their community threat intelligence platform, working directly with Phil Brennan for over 3 years. Glen started Cinder in 2021 to help other companies solve similar trust and safety problems.

LinkedIn
Founder profile As recorded 2026-09-15

Phil Brennan

Founder

Phil joined Facebook in 2017 to build out their community threat intelligence team, after running counterterrorism units for the US government. Phil worked with Glen Wise for several years at Facebook before joining him to co-found Cinder.

LinkedIn
Founder profile As recorded 2026-09-15
30team members reported
Source-reported As recorded 2026-09-15

Founded 2022 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthverified profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedNew York City, NY, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The retained text does not establish product availability or customer use.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding year
startup.observe Directory coverage · Sources & method