Dr. Jeffrey Otoibhi

Medical Doctor | AI Researcher & Engineer

I am a seasoned AI Expert and Medical Doctor with six years of experience in AI, ML and innovation. Led the development of Nigeria's first foundational decoder-only language model and contributed to 7+ AI research projects. Passionate about leveraging AI and robotics to transform healthcare.

Download Resume Contact Me

jeffreyotoibhi@gmail.com

Location

Lagos, Nigeria

Phone

+234 906 155 4618

About Me

I am a Medical Doctor and AI Expert with a passion for merging the worlds of healthcare and artificial intelligence. With a robust 6-year track record, I have delivered innovative AI solutions across various domains, including audio processing, computer vision, and natural language processing.

As the lead Engineer and Researcher behind SabiYarn, Nigeria's first LLM capable of text generation in multiple Nigerian languages, I am committed to pushing the boundaries of AI for meaningful societal impact.

My technical proficiency in end-to-end LLM development, including RLHF, allows me to identify challenges and develop trustworthy, compliant technological solutions. I am particularly focused on creating robust, scalable, and ethically-responsible AI that transforms healthcare delivery and preserves cultural diversity through language technology.

My long-term vision lies in the integration of AI, robotics, and nanotechnology to transform healthcare delivery globally.

Experience Projects Research Skills Education Blog

Omali

Head of Artificial Intelligence

Since January 2025

Lagos, Nigeria

Responsible for designing and evaluating an AI-powered dermatology diagnostic system tailored to analyze skin images and handle workflows, providing:

Diagnosis of dermatological conditions and possible home remedies.
Scheduling appointments and handling payment systems

Aletheia Research Lab

Chief AI Scientist - SabiYarn-125M Foundational LM

Since November 2023

Lagos

Led the development of Nigeria's first decoder-only foundational language model supporting multiple Nigerian languages (Train loss- 2.5, Val loss-2.86).
Outperformed GPT-4 by 48% and LLaMA2-13B by 259% on average across Nigerian language benchmarks for downstream tasks.

Sienna Analytics Consulting

AI Engineer, LLM & Generative AI

October 2023 - February 2024

Lagos

Designed, developed and deployed advanced AI chatbot systems seamlessly integrating them into the business applications for 4 clients.
Employed strategic prompt engineering approaches improving AI responses (correctness and hallucinations) by 25%.
Reduced AI application latency by 15% through optimized features.
Provided technical support to over 20 client teams with a 95% resolution rate.

Freelance

AI Engineer/Researcher

Since September 2019

Remote

AI Mental Health Support Companion: Developed, deployed an AI chatbot companion with context-aware interactions, robust dialogue management, documentation systems and progress tracking.
RAG-Powered Customer Support Chatbot: An Information Retrieval enhanced GPT4All-based chatbot. Enhanced response relevance and accuracy by 30%, resolved 10% of inquiries in real-time.
AI-Driven Traffic and Accident Event Analysis Engine: Using ResNet-based video segmentation, CNN-LSTM, VideoViT, and LLMs for accident classification, weather analysis, and narrative generation. Accuracy - 71%.
Brazilian Appliance Repair Recommendation System: Created an API-based ML system for appliance repair recommendations, reducing human support needs and improving first-time fix rates.
Neuronal Responses Prediction to Excitable Images (Macaque v4): Developed a custom model (CNN core + attention readout) to predict neuronal responses in macaque V4 visual areas. Correlation score -0.27.

Tunu AI

Principal Engineer

Present

Remote

Leading the development of an AI-powered mental health support platform.
Designing and implementing advanced dialogue systems for therapeutic interactions.
Developing monitoring and progress tracking features for mental health support.

My Philosophy

"I believe AI has the power to revolutionize healthcare and society. My goal is to build AI systems that enhance patient treatment, monitoring, and rehabilitation—and I won't stop until this vision is realized. The integration of AI, robotics, and nanotechnology represents the next frontier in medicine, and I am committed to being at the forefront of this transformation."

Personal Interests

Robotics

Healthcare

Cryptocurrency

Finance

Basketball

Economics

Chess

Fitness

Get in Touch

I'm always open to collaboration, research opportunities, and discussions about AI, healthcare, and technology. Whether you have a project in mind or just want to connect, feel free to reach out!

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