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MARC KOLSON DUMARSAIS Remote | North America•[email protected]•linkedin.com/in/marc-kolson-dumarsais Data Quality & AI Evaluation Specialist Bilingual AI Evaluation and Data Quality Specialist with over 6 years of experience validating large-scale datasets and optimizing model performance. Expertise in evaluating response quality, factual grounding, and instruction-following accuracy across complex, multilingual workflows. Proven track record in entity resolution, data curation, and senior-level quality assurance workflows for the French locale. Technical professional skilled in transforming raw data into high-integrity, high-utility assets within structured human-in-the-loop (HITL) pipelines. CORE SKILLS • Data Management: Asset Enrichment, Database Maintenance, Data Curation, Data Integrity Validation, Data Quality Assurance ( QA) , Entity Resolution ( Splitting/ Merging) • AI & Search Evaluation: AI Response Verification, Attribution Checking, Content Evaluation, Instruction- Following Validation, Query Analysis, Search Relevance Analysis • Localization & Linguistics: Contextual Mapping, Cross- Cultural Calibration, Linguistic Validation, Localization Workflows, Multilingual Dataset Validation • Technical & Productivity Tools: Client- Proprietary Annotation Interfaces, Google Workspace, Slack/ Teams • Languages: English ( Fluent) , French ( Locale Specialist – Fluent) , Haitian Creole ( Native/ Fluent) • Data Analytics & Programming (Upskilling): Microsoft Ex