Braex Writer - BSN Nurse & Certified AI Evaluator/Trainer | Medical LLM Specialist | RLHF | Red Teaming | CPC | GCP | RCM

Key Skills

Software

Mercor

Remotasks

Appen

Data Annotation Tech

Scale AI

Telus

Top Subject Matter

Medical/Healthcare/Nursing Domain Expertise

Scientific Research Domain Expertise

Artificial Intelligence / Machine Learning Domain Expertise

Top Data Types

Text

Image

Document

Top Task Types

Prompt Response Writing SFT

Classification

RLHF

Evaluation Rating

Red Teaming

Fine Tuning

Text Summarization

Computer Programming Coding

Question Answering

Transcription

Text Generation

Data Collection

Entity Ner Classification

Polygon

Segmentation

Bounding Box

Function Calling

Polyline

Cuboid

Object Detection

Freelancer Overview

Lawrence Ogola is a BSN Registered Nurse, Certified Professional Coder (CPC), and ICH-GCP certified Clinical Research professional with 2+ years of specialized experience across leading AI training platforms including Outlier AI, Mercor, Alignerr, and Remotasks. He brings rare medical and clinical domain expertise to LLM evaluation, RLHF feedback, red teaming, and AI safety assessment, enabling accurate judgment on healthcare, biomedical, and scientific AI outputs that most annotators cannot credibly evaluate. His background spans clinical nursing, epidemiological research at KEMRI and Aga Khan University, medical billing and FWA detection, and revenue cycle management across US, UK, and Kenyan healthcare systems. With advanced proficiency in Python, SQL, Tableau, and Excel, Lawrence bridges the gap between clinical subject matter expertise and technical AI training workflows. He holds certifications in AI Ethics, GCP, CCRPS, HIPAA compliance, and data analysis, and is available 60+ hours per week for immediate remote engagement across EST, PST, and EAT time zones. He consistently qualifies for specialized high-tier task batches and brings a research-grade standard of accuracy, documentation discipline, and analytical rigor to every project.

ExpertSwahiliEnglish

Labeling Experience

Code & Programming Output Evaluator

Computer Code ProgrammingComputer Programming Coding

Reviewed and evaluated AI-generated code outputs for correctness, efficiency, and clarity across Python, JavaScript, MQL5 and general programming tasks on Outlier AI. Assessed whether code solutions properly addressed the given problem, identified bugs, and rated explanations for technical accuracy and completeness.

2025 - Present

Question Answering & Fact Verification Specialist

TextQuestion Answering

Generated and evaluated question-answer pairs for AI training datasets across scientific, medical, and general knowledge domains. Verified factual accuracy of AI-generated responses against authoritative sources, flagging hallucinations and inaccuracies. Applied research skills to assess citation quality and claim validity.

2025 - Present

Text Summarization Quality Reviewer

TextText Summarization

Evaluated AI-generated summaries of long-form medical, scientific, and general content for accuracy, conciseness, and faithfulness to source material. Identified cases of hallucination, omission of key information, and distortion of meaning. Contributed to summarization model fine-tuning across Outlier and Mercor platforms.

2024 - Present

RLHF Preference Ranking Specialist

TextRLHF

Performed pairwise and multi-response preference ranking tasks to support Reinforcement Learning from Human Feedback (RLHF) pipelines. Evaluated competing AI-generated responses for helpfulness, harmlessness, and honesty, providing structured human feedback used directly in LLM fine-tuning workflows across Mercor and Outlier platforms.

2024 - Present

Medical Content Annotator

TextClassification

Annotated and categorized medical and clinical text content for AI training datasets. Applied BSN nursing knowledge to label healthcare terminology, patient case summaries, and clinical documentation with high domain accuracy. Ensured correct tagging of medical entities, diagnoses, symptoms, and treatment references for NLP model development.

2024 - Present

Education

I

Institute for Ethics in Artificial Intelligence (IEAI) / Coursera

Ethics of Artificial Intelligence Certification, AI Safety, Ethics & Responsible Implementation

Ethics of Artificial Intelligence Certification

2025 - 2025

C

Clinical Research Society of America (CCRPS)

Clinical Research Coordinator Certification (CCRPS), Clinical Research Coordination

Clinical Research Coordinator Certification (CCRPS)

2025 - 2025

Work History

M

Mercor

AI Evaluator & Subject Matter Expert

Remote

2024 - Present

F

Freelance

Medical Virtual Assistant & RCM Specialist

Nairobi

2024 - Present