66 days · 13 weeks · 3 phases · From tutor to lead. Phase 1 builds the craft of human data — rubrics, agreement, preference data, multimodal eval. Phase 2 makes you the person who runs the operation. Phase 3 — the Lead Polish — adds the executive layer: governance, platform fluency, stakeholder leadership, and the portfolio that wins the role. Theory + hands-on + curated, verified resources.
→ Orientation: how much Python you actually need ◆ Readiness Layer: scorecard & gates ⚡ Fast Track: portfolio in ~2 weeks