CHIMA PATIENCE EZIGBO
Data Scientist | AI Operations Specialist | Inbox Optimization Expert
Lekki - Lagos, Nigeria | www.linkedin.com/chimaezigbo
| chima.2.ezigbo@gmail.com | +2349019290159
PROFESSIONAL SUMMARY
Data Scientist and AI Operations Specialist with 20+ years of experience in executive-level digital workflow optimization. Expert in Human-in-the-Loop (HITL) systems, specializing in Gmail architecture, RLHF, and high-quality dataset curation.
Proven track record of managing complex communication workflows across 4 countries and 6 languages. Dedicated to improving LLM capabilities through rigorous evaluation, hallucination mitigation, and Fortune 500-standard feedback loops.
CORE COMPETENCIES
AI & Data: Data Annotation (RLHF), Dataset Development, Evaluation Rubrics, Machine Learning Model Training.
Email Optimization: Gmail Architecture (Labels, Filters, API Logic), Inbox Categorization, Workflow Pattern Recognition.
Technical Skills: Python (Pandas/NumPy), SQL, Geospatial Analysis, Google Workspace Power User.
Governance: Zero-Defect Quality Assurance, Structural Feedback (Minto Pyramid), Cross-Functional Collaboration.
Linguistic Versatility: Multilingual NLP Alignment (English, French, Spanish, Igbo, Yoruba, Hausa, Pidgin).
PROFESSIONAL EXPERIENCE
Amichos Alchemy (AI Studio) | Founder & Lead AI Trainer |October 2026 – Present
Engineered AI-integrated communication workflows, reducing manual email processing time by 40% through custom labelling and filter logic.
Developed high-quality datasets for marketing models, focusing on sentiment analysis and intent recognition.
Maintained a personal SOP Library for prompt engineering and model evaluation to ensure deliverable excellence.
Xavier Energy / Ascon Oil | Business Support Manager & Executive Lead | [Dec 2000 - June 2017]
Optimized executive Gmail architectures for C-suite leaders, implementing complex categorization logic and automated filtering for global logistics data.
Identified recurring patterns in international communication workflows to streamline cross-border operations across 4 countries.
Provided structured, actionable feedback to technical teams to improve internal sales pre-processing and data integrity.
Independent Contractor | Freelance Content & Data Specialist | 2006 – till date
Collaborated with major news and publishing firms to deliver AP-style content and data-driven insights.
Performed data annotation and quality audits for multimodal datasets, ensuring alignment with global market nuances.
TECHNICAL PROJECTS
Inbox Optimization & AI Agent Training
Designed an evaluation rubric for an AI email agent to prioritize high-stakes petroleum logistics communications.
Used RLHF to rank AI-generated email responses, improving the model's professional tone and contextual accuracy by 25%.
Geospatial Logistics Analysis (Data Science)
Developed a Python-based model to analyze supply chain communication patterns, identifying bottlenecks in digital workflows.
EDUCATION & CERTIFICATIONS
B.Sc. Mass Communication (Broadcasting) – [IMT, Enugu]
Data Science Professional Certificate – [Hagital Consulting]
Generative AI Fundamentals – Google Cloud Skills Boost
Google AI Essentials - Coursera