Open to opportunities

John Odjenimah

@johnodjenimah

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Data annotator and scientific editor specializing in research-driven text and image labeling.

Nigeria

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What I'm looking for

I seek roles where I apply rigorous annotation standards or scientific editing within research-driven teams, with opportunities to lead data quality and mentor junior staff.

I am a research-focused data annotator and scientific editor with hands-on experience in text-to-image and multimodal model annotation, scientific manuscript editing, and field data collection for public health projects. I combine rigorous attention to detail with domain knowledge from physiology and reproductive biology research.

My work includes roles at RWS and Hugo on annotation for large multimodal models, substantive and copy editing for scientific publishers, and coordinating field research projects such as a Principal Investigator study on serum Bisphenol-A and ovarian reserve. I have trained research assistants, used annotation platforms such as Prodigy and Labelbox, and managed data collection with tools like ODK and KoboCollect.

I seek to bring precise annotation standards, editorial rigor, and research methodology to teams building high-quality datasets or producing scientific content, leveraging my academic background (MSc Physiology) and ongoing PhD work in reproductive biology.

Experience

Work history, roles, and key accomplishments

Current

Data Annotator

Current

RWS

Sep 2025 - Present (3 months)

Ensure text-image pairs are accurately and consistently labeled, review model-generated images for artistic quality and instruction-following, and identify specific errors to improve multimodal model performance.

Data Annotation Quality Assurance Labelbox

Data Annotator

Hugo

Apr 2024 - Sep 2025 (1 year 5 months)

Categorized and quality-checked text, image, audio, and video data for text-to-image and multimodal projects, corrected annotations, and performed editorial fact-checking to meet project guidelines and throughput targets.

Data Annotation Labelbox Quality Control Fact Checking Annotations

Enumerator

Rotary Foundation

Nov 2023 - Dec 2023 (1 month)

Collected household and respondent data using KoboCollect for a maternal and child health project, ensuring accurate field data capture and adherence to survey protocols.

Kobocollect Data Collection Interviewing Data Entry Fieldwork QA&QC

Enumerator

JDPC

Oct 2023 - Oct 2023 (0 months)

Collected survey data via KoboCollect, conducted key informant interviews and focus group discussions for an anti-human-trafficking campaign, and coordinated evaluation activities with other evaluators.

Kobocollect Key Informant Interviews Data Collection

Senior Supervisor

World Health Organization

Jan 2023 - Jan 2023 (0 months)

Supervised and trained monitoring teams for polio OBR campaigns, implemented ODK-based data collection, and ensured logistical arrangements and data quality across local government areas.

Team Supervision Data Collection Logistics Coordination Monitoring & Evaluation

Senior Supervisor

World Health Organization

Dec 2022 - Dec 2022 (0 months)

Led supervisory teams for polio OBR1 campaign, trained independent monitors in ODK use, managed field data collection, and coordinated logistics to support campaign delivery.

Supervision Field Operations Training Data Quality Logistics

Science Editor

Cactus Communications

Jan 2019 - Dec 2021 (2 years 11 months)

Performed copyediting, substantive editing with track changes, and proofreading of scientific manuscripts to improve clarity and publication readiness.

Scientific Editing Proofreading

Science Editor

Rasmed Publications Limited

Jan 2018 - Jan 2019 (1 year)

Assessed manuscripts and performed book and copy editing, substantive edits with track changes, and proofreading to prepare content for publication.

Copy Editing Proofreading MS Word

Physiology Tutor

Health Inheritance School

Jan 2017 - Dec 2018 (1 year 11 months)

Taught systemic physiology to allied health students, assessed performance, prepared examinations, and ensured learning objectives were met.

Teaching Assessments Curriculum Development Exam Preparation

Research Trainee

University of Ibadan

Jan 2016 - Dec 2016 (11 months)

Conducted laboratory experiments in endocrinology, administered experimental drugs, managed sample extraction and storage, and performed sample analyses.

Animal Handling Experimental Design

Volunteer Data Entry

Noble Medical Diagnostic Centre

Jan 2014 - Dec 2015 (1 year 11 months)

Performed data entry, detailed record keeping, report writing, sample sorting and basic analyses, and patient reception to support laboratory operations.

Data Entry Record keeping Report Writing

Industrial Trainee

Eku Baptist Government Hospital

Jan 2011 - Dec 2011 (11 months)

Conducted data entry, record keeping, sample analysis, gave seminar presentations, and supported hospital laboratory procedures during industrial training.

Data Entry Sample Analysis Presentation

Principal Investigator

Pan African University, University of Ibadan

Jan 2022 - Present (3 years 11 months)

Conceived and led a study on serum Bisphenol-A and ovarian reserve in infertile women, designed mixed-methods instruments, trained research assistants, and coordinated data collection and analysis.

Data Analysis Training Clinical Research