Sayantan Sen — Proofreading & Editing freelancer in Kolkata

Operations and Quality Assurance leader with 20 years of experience managing teams, SLAs, and training pipelines across healthcare documentation, annotation, and editorial operations. Proven ability to build QA frameworks, cut error rates, and improve turnaround time under strict deadlines. Track record of leading teams of 6–15 staff, training 50+ new hires and analysts over the course of a career, and managing enterprise client relationships.