Key Experts CV Portfolio

4.2 Stephen Karitu Wambui — Task/Project Manager and Team Leader

Key Personnel Position

Name: Stephen Karitu Wambui
Proposed Position: Task/Project Manager and Team Leader
Corporate Position: Founder & Lead Solutions Architect, Arybit Technologies
Submission Capacity: Authorized Representative / Project Lead
Location: Nairobi, Kenya
Arybit Identifier: ARY-00001

Professional Profile

Stephen Karitu Wambui is the Founder & Lead Solutions Architect of Arybit Technologies. He provides technical and delivery leadership across Arybit's AI, geospatial intelligence, autonomous systems, software and data-platform initiatives.

He has led the architecture and development of major components of the Arybit Intelligence Ecosystem, including AARAB, GeoAlterSense and related enterprise intelligence platforms.

For the Ghana Critical Minerals Market Intelligence System, Stephen will provide overall project leadership, technical direction, architecture governance, stakeholder coordination, delivery oversight and alignment between technical implementation and approved project requirements.

Employment History

Founder & Lead Solutions Architect
Arybit Technologies, Nairobi, Kenya
August 2022 – Present

• Overall project leadership, architecture governance, stakeholder coordination and technical direction.
• Design and delivery leadership for AARAB, GeoAlterSense, Arybit Intelligence CORE, SoulOS and NexBit as Arybit product work, not as separate external contracts.
• Authorized representative and project lead for UNDP-GHA-00537-2.

Prior employers, if any, will be listed only from Stephen's signed personal CV with dates and documentary support.

Core Expertise

• Enterprise and full-stack systems architecture
• Artificial intelligence and machine learning systems
• Geospatial intelligence and remote sensing
• Autonomous AI systems
• Data and information platforms
• Cloud and edge computing
• Software architecture
• AI-enabled decision-support systems
• Technical programme leadership
• Product and solution strategy

Relevant Technical Platforms

• AARAB: Autonomous AI research and intelligence platform
• GeoAlterSense: AI-powered geospatial and environmental intelligence platform
• Arybit Intelligence CORE: Enterprise intelligence and AI infrastructure
• SoulOS: AI and software platform development
• NexBit: Software and programmable-system development

Education and Professional Development

Bachelor of Science (Geology)
University of Nairobi
2015–2019

Computer Science Online Coursework
Harvard University via edX
2019–2021

Relevant coursework included programming fundamentals, algorithms and computational thinking, software development concepts and computer science foundations.

Professional certifications will be listed separately only where supported by valid documentary evidence.

4.3 Nahason Kiarie — Lead Software Developer and Systems Architect

Key Personnel Position

Name: Nahason Kiarie
Proposed Position: Lead Software Developer and Systems Architect
Arybit Role: Principal Software Engineer
Arybit Identifier: ARY-88091

Professional Profile

Nahason Kiarie is a Principal Software Engineer at Arybit Technologies with responsibility for software architecture, application security, code quality and system design.

For GCM-MIS, he will contribute to application architecture, backend services, API integration, secure system design and engineering coordination.

Employment History

Principal Software Engineer
Arybit Technologies, Nairobi, Kenya
Current (start date to be completed from signed personal CV)

• Software architecture, application security, code quality and system design.
• Backend services, API integration, secure system design and engineering coordination.
• Architecture contribution to Arybit Intelligence CORE and related Arybit platforms as internal product work.

Prior employers, dates and any certifications will be added only from Nahason's signed personal CV with documentary evidence. None are invented in this package.

Core Expertise

• Software architecture
• Application security
• Secure system design
• Code quality
• Enterprise application engineering
• API and backend architecture

4.4 Cyplian Murimi — Data Engineer and Database Specialist

Key Personnel Position

Name: Cyplian Murimi
Proposed Position: Data Engineer and Database Specialist
Arybit Role: Chief Database Engineer
Location: Nairobi, Kenya
Arybit Identifier: ARY-98223

Professional Profile

Cyplian Murimi is Chief Database Engineer at Arybit Technologies, responsible for scalable data architecture, production-oriented database systems and structured information management.

For GCM-MIS, he will contribute to database architecture, data modelling, data integration, data quality, metadata management and scalable data-platform implementation.

Employment History

Chief Database Engineer
Arybit Technologies, Nairobi, Kenya
Current (start date to be completed from signed personal CV)

• Scalable data architecture, production-oriented database systems and structured information management.
• PostgreSQL design, data modelling, integration, data quality, metadata and high-availability controls.
• Arybit Knowledge Graph (AKG) engineering as Arybit product work.

Prior employers, dates and any certifications will be added only from Cyplian's signed personal CV with documentary evidence. None are invented in this package.

Core Expertise

• PostgreSQL
• Data architecture
• Knowledge graphs
• Data partitioning
• High availability
• Secure data systems
• Arybit Knowledge Graph (AKG)

4.5 Ayobami Bolade — Frontend Developer and UI/UX Specialist

Key Personnel Position

Name: Ayobami Bolade
Proposed Position: Frontend Developer and UI/UX Specialist
Arybit Role: Lead UI/UX Designer
Arybit Identifier: ARY-78445

Professional Profile

Ayobami Bolade is Lead UI/UX Designer at Arybit Technologies, responsible for creating intuitive, accessible and consistent digital experiences.

For GCM-MIS, Ayobami will contribute to information architecture, user journeys, wireframes, dashboard interfaces, responsive design and approved UI/UX implementation.

Employment History

Lead UI/UX Designer
Arybit Technologies
Current (start date to be completed from signed personal CV)

• UI/UX leadership across Arybit digital products, including information architecture, design systems, accessibility and interaction design.
• Translation of complex analytical and intelligence workflows into usable dashboard and application interfaces.

Prior employers, dates, education and any certifications will be added only from Ayobami's signed personal CV with documentary evidence. None are invented in this package.

Core Expertise

• UI/UX design
• Design systems
• Accessibility
• Interaction design
• Product experience
• Motion and interaction design

4.6 Gillian Becky — Data Visualization and Business Intelligence Specialist

Key Personnel Position

Name: Gillian Becky
Proposed Position: Data Visualization and Business Intelligence Specialist
Arybit Role: Chief Product Officer
Arybit Identifier: ARY-10006
Location: Nairobi, Kenya

Professional Profile

Gillian Becky is Chief Product Officer at Arybit Technologies, where she leads product strategy, requirements definition, product development and market-oriented validation across Arybit's AI, geospatial, environmental and natural-resource intelligence portfolio.

Her professional background combines geology, project management, mineral exploration, geospatial analysis, environmental assessment, stakeholder engagement and product development. This multidisciplinary background enables her to translate complex technical, geological and natural-resource information into structured analytical products, user-oriented information views and decision-support workflows.

For the Ghana Critical Minerals Market Intelligence System, Gillian will contribute to the definition, structuring and presentation of analytical information, working with the Project Manager, data engineering, software and UX teams to translate stakeholder requirements into market-intelligence views, dashboard requirements, indicators, reporting workflows and decision-support outputs.

Employment History

Chief Product Officer
Arybit Technologies, Nairobi, Kenya
Current (start date to be completed from signed personal CV)

• Product strategy, requirements definition, product development and market-oriented validation across Arybit's AI, geospatial, environmental and natural-resource intelligence portfolio.
• Translation of geological, geospatial and natural-resource information into structured analytical products and decision-support workflows.

Prior employers and dates (geology, mineral exploration, environmental assessment and related work) will be added only from Gillian's signed personal CV. They are not restated here without evidence.

Documented visualization and analytical evidence

The following items are supported by Gillian's documented professional record in this package. They are adjacent to the RFP visualization role; they do not by themselves establish a dedicated business-intelligence specialist CV.

• GIS mapping and geospatial data management
• GIS and database management
• Satellite imagery analysis and mineral target generation
• Definition of dashboard information architecture, indicators and reporting workflows
• Decision-support product design for GeoAlterSense, MEVI and related Arybit environmental and minerals-intelligence products

Integrity boundary — BI tools and platforms

This CV does not claim professional experience in Power BI, Tableau, Looker, Qlik or equivalent enterprise BI platforms. Those tools will not be listed unless Gillian's signed personal CV and supporting evidence confirm them.

Submission instruction: Do not upload this CV as the sole evidence for the mandatory Data Visualization and Business Intelligence Specialist position. Either (a) insert verified BI, dashboard-development, KPI-design and reporting-system assignments from Gillian's personal record, or (b) nominate another expert whose signed CV matches that role and move Gillian to a supporting domain/product position.

Core Expertise

• Product strategy and product requirements
• Requirements definition and stakeholder needs analysis
• Analytical information presentation
• Dashboard requirements and information architecture
• Decision-support product design
• User-centred product development
• UX research and validation
• Geological and mineral-domain knowledge
• Mineral exploration and prospect evaluation
• Satellite imagery analysis and target generation
• GIS mapping and geospatial data management
• Environmental and natural-resource intelligence
• Project planning and delivery
• Client and stakeholder engagement
• Business development and strategic partnerships

Relevant Arybit Product Contribution

GeoAlterSense
Domain and product contribution to geospatial, environmental and natural-resource intelligence applications.

Maternal Environmental Vulnerability Index (MEVI)
Product contribution to environmental-vulnerability intelligence and population-focused decision-support applications.

Environmental Intelligence
Domain and product input supporting AI-enabled environmental intelligence and analytical decision-support solutions.

Critical-Minerals Intelligence
Geological and product-domain contribution supporting mineral exploration, mineral intelligence and decision-support applications.

Relevant Contribution to GCM-MIS

• Translate stakeholder and market-intelligence requirements into analytical product requirements.
• Support definition of dashboard information architecture and decision-support workflows.
• Work with data and technical teams to determine how market, mineral and related indicators should be structured and presented to users.
• Support development and validation of user-oriented analytical views.
• Contribute to reporting and information-presentation requirements.
• Participate in dashboard concept validation and stakeholder feedback sessions.
• Contribute geological and natural-resource domain knowledge relevant to critical-minerals intelligence.
• Support stakeholder engagement and product validation throughout the implementation lifecycle.

Professional Domain Background

Gillian's professional background includes geology, mineral exploration, geospatial analysis, hydrogeology, environmental assessment, project delivery, business development and sustainability-focused programmes.

Her technical experience includes satellite imagery analysis, mineral target generation, prospect evaluation, drilling-programme support, core logging and sampling, resource-estimation support, GIS and database management, borehole design, hydrogeological surveys, environmental impact assessment and environmental auditing.

Education

Bachelor of Science (Geology / Earth Science)
University of Nairobi
2016–2019

Languages

• English — Native or bilingual
• Swahili — Native or bilingual
• French — Elementary

Declaration

I certify that this profile describes my current corporate role at Arybit Technologies and that my prior employment, education and professional qualifications are accurately represented in my professional CV and supporting documentation.

Product contributions, including GeoAlterSense and MEVI, are stated as Arybit product work and are not represented as separate external employers or commercial contracts.

Jane Ng'endo — AI/ML Specialist

Senior LLM Engineer specialising in LLM engineering, NLP, prompt optimisation and AI model tuning. She will support AI-assisted analytics, document intelligence and intelligent information workflows.

Jackline Maina — AI Security Specialist

AI Security and Adversarial Research Lead specialising in adversarial AI, AI security, robustness testing and responsible AI. She will support security assessment and robustness testing of AI-enabled components.

Kenneth Mwongera — DevOps/Deployment Specialist

Lead Automation Architect specialising in DevOps, DevSecOps, SRE, CI/CD, infrastructure-as-code and cloud automation. He will support environment engineering, deployment and operational controls.

Kennedy Ireri — Knowledge/Data Integration Specialist

Knowledge Graph Engineer specialising in semantic modelling, data integration and knowledge-graph architecture. He will support structured information modelling and integration of relevant knowledge sources.

Lawrence Kahuria — QA/Test Specialist

QA Lead specialising in systematic testing, quality assurance, automation testing and user-experience validation. He will support functional, integration, security, performance and UAT activities.

Peter Ndungu — Technical Programme Support

Senior Technical Program Manager providing cross-functional programme coordination and execution support across technical workstreams.