Overview
The SaaS Decision Engine for Lenders
Founders & team
Previously Ruleset, Lexer, Ruleset, Lexer, Ruleset, SynthCall, BattleAgents
Logan Frederick
FounderLogan is the founder of Ruleset. He previously built a $50mm lending business at Regional Finance, worked as a software engineer at JPMorgan Chase, and at the YC company Bluecrew. He received a degree in Computational Economics from Ohio State University.
Zheng Hao Tan
FounderZheng is the founder of Cellulose. Prior to that, he worked on several engineering problems throughout his career ranging from full stack + firmware engineering for Internet of Things (IoT), to machine learning platforms and deployment workflows for Artificial Intelligence in autonomous vehicles (Cruise). He earned a degree in Computer Engineering from the University of Michigan.
Founded 2022 · Source ↗
Sources & observations
Y Combinator
Profile depthverified profile
Website observationsite error
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented
Source-based assessment · automated evidence rules
The source reports an inactive or acquired company; current product identity needs review.
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 definitionsindependent websitesource corroborationdescriptive evidenceclassified market and modelsourced peoplesourced founding year