Ensure compliance with payroll regulations across all jurisdictions, including U.S. federal, state, and local payroll tax requirements, FLSA, FMLA, ACA, garnishment orders, multi-state tax withholding, HMRC requirements in the UK, PAYE, P60/P11D reporting, German social insurance and wage tax regulations, and China individual income tax and social security requirements. Oversee complex U.S. multi-state payroll operations across weekly, bi-weekly, and semi-monthly cycles, ensuring compliance with federal, state, and local requirements related to payroll taxes, wage and hour laws, overtime, garnishments, paid leave, ACA, and year-end reporting.