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Mariah Howgill

AI Model Evaluation and Data Quality Assessor (Project-Based Research Scientist)

England flagLondon, England
$80.00/hrExpert

Key Skills

Software

No software listed

Top Subject Matter

Human Behavioural Research and AI Training
Human Behaviour
Healthcare Access

Top Data Types

TextText
DocumentDocument
Medical DicomMedical Dicom

Top Task Types

Data CollectionData Collection

Freelancer Overview

AI Model Evaluation and Data Quality Assessor (Project-Based Research Scientist). Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Doctor of Philosophy, King's College London (2021) and Master of Science, King's College London (2020). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Data Collection.

ExpertEnglish

Labeling Experience

AI Model Evaluation and Data Quality Assessor (Project-Based Research Scientist)

Text
Conducted structured evaluation and feedback on human-centred research datasets for use in AI model training environments. Developed and implemented protocols to assess quality, consistency, and interpretive rigor of human behavioural data for structured outputs. Used Python and advanced AI coding assistants for workflow automation, data cleaning, and quality assurance. • Involved in digital and app-based research development integrating user-centred feedback. • Applied high standards of ethics and data quality to annotated datasets. • Supported model evaluation and high-quality evidence synthesis. • Delivered outputs supporting structured AI training and evaluation.

Conducted structured evaluation and feedback on human-centred research datasets for use in AI model training environments. Developed and implemented protocols to assess quality, consistency, and interpretive rigor of human behavioural data for structured outputs. Used Python and advanced AI coding assistants for workflow automation, data cleaning, and quality assurance. • Involved in digital and app-based research development integrating user-centred feedback. • Applied high standards of ethics and data quality to annotated datasets. • Supported model evaluation and high-quality evidence synthesis. • Delivered outputs supporting structured AI training and evaluation.

2023 - Present

Data Collection and Annotation Lead (Women’s Health Research)

TextData Collection
Led the collection and annotation of multilingual human responses in a large survey dataset for potential AI-supported research applications. Ensured methodological discipline and clarity while managing sensitive qualitative and quantitative datasets. Designed and iteratively refined a research app with stakeholder and user involvement for improved data quality and annotation logic. • Managed a multilingual survey with over 600 participants. • Co-produced content logic and feedback for research app tools. • Synthesized findings for downstream structured evaluation. • Maintained rigorous protocol-driven work for data annotation.

Led the collection and annotation of multilingual human responses in a large survey dataset for potential AI-supported research applications. Ensured methodological discipline and clarity while managing sensitive qualitative and quantitative datasets. Designed and iteratively refined a research app with stakeholder and user involvement for improved data quality and annotation logic. • Managed a multilingual survey with over 600 participants. • Co-produced content logic and feedback for research app tools. • Synthesized findings for downstream structured evaluation. • Maintained rigorous protocol-driven work for data annotation.

2018 - 2020

Education

K

King's College London

Master of Science, Clinical Research

Master of Science
2018 - 2020
K

King's College London

Bachelor of Science with Honours, Science

Bachelor of Science with Honours
2014 - 2017

Work History

I

Independent

Research Scientist

London
2023 - Present
K

King’s College Hospital

Senior Clinical Research Associate

London
2020 - 2022