Chidinma Okoro

Igbo AI Trainer & Linguistic Data Specialist

Lagos, NG.

About

Highly motivated and results-driven AI Trainer with 5+ years of specialized experience in Natural Language Processing (NLP) and linguistic data annotation, focused on the Igbo language. Proven ability to develop high-quality datasets, optimize AI model performance, and lead training initiatives for complex linguistic projects, ensuring cultural and grammatical accuracy crucial for advanced Igbo AI development. Eager to leverage deep linguistic expertise and technical proficiency to enhance AI systems and drive innovation in multilingual AI.

Work

Global Language AI Solutions

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Senior Igbo AI Trainer

Lagos, Lagos, Nigeria

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Summary

Led the development and refinement of Igbo linguistic datasets for advanced AI models, ensuring high accuracy and cultural relevance.

Highlights

Developed and implemented comprehensive annotation guidelines for Igbo speech and text data, increasing data quality by 25% and reducing annotation discrepancies by 15%.

Trained and mentored a team of 10+ Igbo linguists and annotators, improving team productivity by 20% and ensuring consistent application of complex linguistic rules across projects.

Collaborated with AI engineers to identify and resolve model biases specific to Igbo dialects, enhancing model accuracy for diverse regional speech patterns by 18%.

Managed the full lifecycle of Igbo dataset creation, from raw data collection to final validation, supporting the launch of two new Igbo-language AI features.

African Language Technology Hub

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Igbo Linguistic Data Annotator & Junior Trainer

Abuja, FCT, Nigeria

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Summary

Contributed to the annotation and validation of large-scale Igbo linguistic datasets, while also assisting in the training of new annotators.

Highlights

Annotated over 50,000 utterances of Igbo speech and text data for a major speech recognition project, achieving a consistent accuracy rate of 98%.

Assisted in the onboarding and initial training of 5 new data annotators, effectively reducing their ramp-up time by 30% through structured guidance and feedback.

Identified and categorized over 200 unique Igbo linguistic phenomena (e.g., tone, compounding, idiomatic expressions) to improve annotation guideline specificity.

Participated in weekly quality assurance reviews, providing detailed feedback that led to a 10% improvement in overall dataset consistency.

University of Ibadan

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Research Assistant, Department of Linguistics

Ibadan, Oyo, Nigeria

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Summary

Conducted linguistic research focusing on Igbo phonology and syntax, contributing to academic publications and corpus development.

Highlights

Analyzed over 1,000 hours of recorded Igbo speech data, identifying key tonal patterns and their grammatical functions for a research publication.

Developed a preliminary digital corpus of Igbo proverbs and idioms, comprising over 500 entries, to support future NLP research.

Collaborated with senior researchers on a project investigating cross-dialectal variation in Igbo, presenting findings at two national linguistic conferences.

Assisted in data collection and transcription for various linguistic studies, ensuring high fidelity and adherence to phonetic standards.

Education

University of Ibadan

Ibadan, Oyo, Nigeria
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Master of Arts (M.A.) Linguistics with a specialization in African Languages Grade: 4.5/5.0

Courses

Advanced Phonology of Igbo

Syntax of African Languages

Corpus Linguistics

Introduction to Natural Language Processing

Sociolinguistics of Nigeria

University of Nigeria, Nsukka

Nsukka, Enugu, Nigeria
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Bachelor of Arts (B.A.) Linguistics and Nigerian Languages Grade: First Class Honours

Courses

Igbo Language and Culture

Introduction to Linguistics

Phonetics and Phonology

Morphology and Syntax

Semantics and Pragmatics

Languages

Igbo

English

Certificates

Natural Language Processing Specialization

DeepLearning.AI (Coursera)

Introduction to Machine Learning

Coursera (Stanford University)

Skills

Linguistic Expertise

Igbo Language (Native Fluency), Igbo Grammar, Igbo Syntax, Igbo Phonology, Igbo Semantics, Dialectal Variation Analysis, Lexicography, Corpus Linguistics, Tone Analysis.

AI & NLP

Natural Language Processing (NLP), Machine Learning (ML) Fundamentals, AI Training, Linguistic Data Annotation, Speech Recognition (ASR), Text-to-Speech (TTS), Data Quality Assurance, Model Evaluation, Bias Detection & Mitigation.

Tools & Software

Annotation Platforms (Prodigy, Labelbox), Python (Basic Scripting), Microsoft Office Suite, Google Workspace, Jupyter Notebooks, Version Control (Git).

Soft Skills

Training & Development, Cross-cultural Communication, Project Coordination, Analytical Thinking, Attention to Detail, Problem-solving, Team Leadership, Technical Documentation.

Interests

African Languages

Yoruba, Hausa, Linguistic Diversity.

Technology

AI Ethics, Machine Learning Research, Language Technology.

Culture

Igbo Culture, Folklore, Traditional Music.

Projects

Igbo Dialectal Speech Corpus Development

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Summary

Led a personal initiative to collect and annotate speech data from various Igbo dialects to address underrepresentation in existing datasets.

Igbo Text Normalization for NLP

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Summary

Developed a rule-based system for normalizing Igbo text, addressing common orthographic inconsistencies and abbreviations for NLP tasks.