# Godfrey Lebo > Senior AI Security & LLM Engineer (7+ years in production) based in Abuja, Nigeria; remote-first. > Founder of Sether — streaming-native PII redaction for production LLM APIs (npm: @raeven-co/sether). > Specializes in AI security, LLM guardrails, AI compliance (GDPR, SOC 2, HIPAA, EU AI Act), > mobile development (Flutter), Rust, and software supply chain security. Godfrey Lebo builds production security tooling for AI applications. He is the founder of Sether (Raeven, Inc.), a Senior Engineer at Must Company (Seoul-headquartered fintech, remote from Nigeria), and maintains open-source packages across npm, crates.io, PyPI, and pub.dev. ## Key pages - [About](https://godfreylebo.dev/about): Bio, experience, and education - [Projects](https://godfreylebo.dev/projects): Open-source security, AI, and mobile tooling with live download stats - [Articles](https://godfreylebo.dev/articles): Writing on AI security, LLM engineering, and mobile development - [Speaking](https://godfreylebo.dev/speaking): Talks and appearances - [Certifications](https://godfreylebo.dev/certifications): Professional certifications - [CV (PDF)](https://godfreylebo.dev/godfreycv.pdf): Downloadable résumé - [RSS feed](https://godfreylebo.dev/rss/feed.xml): Article syndication ## Notable projects - [Sether](https://setherai.vercel.app): Streaming PII redaction for LLM APIs — chunk-boundary-safe Transform streams, compliance-mapped redaction events (GDPR / SOC 2 / HIPAA / EU AI Act) - [npm_sentinel](https://crates.io/crates/npm_sentinel): Rust CLI for npm supply-chain malware analysis - [rust_secure_dependency_audit](https://crates.io/crates/rust_secure_dependency_audit): Rust crate auditing dependency health, licenses, and footprint risk - [rag-poison-guard](https://godfreylebo.dev/projects/rag-poison-guard): Defenses against RAG data-poisoning attacks ## Contact - Email: emorylebo@gmail.com - GitHub: https://github.com/emorilebo - LinkedIn: https://linkedin.com/in/godfreylebo