Digital twin workforce simulation architecture orchestrates five phases: data ingestion from HR systems, behavioral modeling of employee patterns, AI/ML prediction of workforce outcomes, scenario simulation testing change management strategies, and visualization delivery through coaching interfaces. The Data Layer feeds the Behavior Modeling component, which trains the AI/ML Prediction engine to power the Simulation Engine for what-if workforce planning scenarios. This architecture enables HR leaders to test organizational changes—restructures, policy rollouts, training programs—in a virtual environment before real-world deployment, reducing risk and optimizing employee experience. Fork this sequence diagram on Diagrams.so to customize phases for your talent analytics stack, add AWS SageMaker or Bedrock integration points, or export as .drawio for stakeholder presentations. Ideal for organizations implementing people analytics platforms that require predictive modeling of workforce behavior and change impact assessment.