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Loïc Arthur Nanfack Tiokou

@locarthurnanfacktiok

AI Trainer and General Practitioner applying clinical reasoning to curate and evaluate data for safer, more accurate language models.

Cameroon

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What I'm looking for

I’m looking to use my medical knowledge to develop robust, high-performing AI systems that meet the rigorous standards of the healthcare sector.

As an AI Trainer, I curate and annotate datasets for RLHF and model fine-tuning, and evaluate Large Language Models to improve accuracy, safety, and alignment.

As a General Practitioner, I manage emergency room and examination-bed care, including triage, initial assessment, and treatment of common medical and surgical emergencies.

As Principal Investigator, I designed and executed a prospective health study calculating CT scan X-ray doses across a 1,000-patient cohort to establish local Diagnostic Reference Levels. I’m motivated to apply my medical knowledge to developing robust AI systems for healthcare.

Experience

Work history, roles, and key accomplishments

Current

AI Trainer

Current

Unknown

Dec 2025 - Present (10 months)

Analytical AI Trainer specialized in optimizing Large Language Models through high-quality data curation and precise evaluation. Developed, labeled, and refined high-quality datasets for RLHF and model fine-tuning.

Data Curation Data Annotation RLHF Model Fine Tuning LLM Evaluation Quality Assurance

Current

General Practitioner

Current

Unknown

Sep 2023 - Present (3 years 1 month)

Autonomous management of the emergency room and examination beds, ensuring triage and initial assessment of patients. Diagnostic and therapeutic management of common medical and surgical emergencies.

Emergency Medicine Triage patient assessment Infectious Diseases Chronic Disease Management Trauma Care

Principal Investigator

Unknown

Sep 2022 - Present (4 years 1 month)

Designed and executed a 1-year prospective health study with a 1,000-patient cohort focused on calculating X-ray doses during CT scans to establish local Diagnostic Reference Levels for improved radiation safety and quality assurance.

Data Labeling Data Validation Quality Assurance Research CT Scanning Radiation Safety