I need information off of websites and sheets for CRM set up

We require meticulous consolidation of legacy event and membership data for CRM ingestion. Extract detailed event and attendee records from Eventbrite into a structured spreadsheet, ensuring each event and participant is logged. Cleanse and harmonize historical event CSVs and membership exports, map fields consistently to a master template, resolve duplicates and formatting issues, and deliver a validated, CRM-ready master spreadsheet with clear field mappings and data integrity checks.