Sponsor & CRO Collaboration, Phase I-III Trial Execution, Study Start-Up & Feasibility, Monitoring Visit Coordination, Timeline Management, GCP, IRB Submissions, FDA Compliance, SOP Development, Audit Readiness, REDCap (Database Design & Administration), EPIC, CTMS, Sponsor EDC Platforms (Medidata, Suvoda, Sitero), Data Cleaning & Query Resolution, Workflow Optimization, NIH & DoD Post-Award Management, Budget Tracking, Financial Reconciliation, Cross-Functional Collaboration, Sponsor & PI Liaison, Multilingual Communication (English, Spanish, French, Haitian Creole)