Noah Fischer

Tiny models on phone, federated updates, and privacy-preserving personalization for consumer health.

• Shipped CoreML sleep stage model with under 5MB footprint
• Federated fine-tune pipeline with differential privacy budget

1. Principal Engineer

   Wilder Labs · 2022 — Present

   Principal engineer: CoreML sleep-stage model under 5MB with on-device calibration from user feedback. Federated fine-tune pipeline with per-round epsilon accounting and kill switches. Coach voice UI: on-device STT + intent; cloud LLM only on explicit opt-in with full offline fallback.