Omar Herrera

Key Skills

Software

Mercor

Top Subject Matter

No subject matter listed

Top Data Types

Text

Top Label Types

Text Summarization

Diagnosis

Prompt Response Writing SFT

Freelancer Overview

I am an experienced medical professional with some background in data annotation, curation, and AI training data, particularly within the healthcare and clinical research domains. My work includes curating and annotating specialized clinical case data—both text and images—to support machine learning model development for healthcare AI startups. I have designed and refined prompts to rigorously test model outputs, applied rubric-based classification and grading, and provided evidence-based feedback to enhance model accuracy, integrating clinical reasoning and scientific standards into iterative training cycles. My technical skills include proficiency in Power BI, Tableau, and large language models, as well as experience managing AI systems across quality, governance, and deployment modules. I bring a detail-oriented approach and a commitment to upholding data quality and relevance in every project I undertake.

Labeling Experience

Expert Collaborator

MercorTextText SummarizationDiagnosis

Curated and annotated specialized clinical case data (text and image) to support machine learning model development in healthcare AI startups. Designed and refined prompts to rigorously test model output efficiency, ensuring alignment with medical relevance and user expectations.

Curated and annotated specialized clinical case data (text and image) to support machine learning model development in healthcare AI startups. Designed and refined prompts to rigorously test model output efficiency, ensuring alignment with medical relevance and user expectations.

2025 - 2025

Education

Work History