AI & Data Science Enthusiast, Innovator

Stephanie Kagua

Nairobi, Kenya ***********.**@*****.***

SUMMARY

Highly skilled and passionate AI enthusiast with years of experience in machine learning, data science, and natural language processing. Proven track record of developing innovative AI solutions that drive business growth and improve operational efficiency. Adept at leveraging cutting-edge technologies to solve complex problems and deliver actionable insights. Seeking to contribute my expertise to Mercor AI and collaborate again on groundbreaking projects that push the boundaries of artificial intelligence. EXPERIENCE

Writer(NOVELIST)

Webnovel May 2025 - Present

• Author and publisher of The Mafia of Automata City, an original web novel serialized under the pen name Steffi Kagua, growing an engaged readership of over 10,000 subscribers

• Independently manage the full creative pipeline — concept development, chapter drafting, editing, and release scheduling — to maintain consistent publication and reader retention

• Cultivate and grow an audience through serialized storytelling, leveraging chapter cliffhangers, character-driven arcs, and genre-blending (Afrofuturist-influenced) worldbuilding to sustain long-term engagement

• Build and maintain an author brand across platforms, including a custom author portfolio site and promotional cover/poster art, to support discoverability and reader conversion

• Respond to reader feedback and community engagement to iteratively refine story direction and pacing via discord. Founder and CEO

MaraGold January 2025 - Present, EAST AFRICA

• Founded and lead an agribusiness specializing in premium gourmet mushrooms, overseeing business strategy, operations, product development, and investor readiness.

• Manage cross-functional workflows while developing structured documentation, business intelligence, and data-driven decision-making processes.

• Developed and maintained comprehensive business documentation, including investor pitch decks, financial projections, operating procedures, product specifications, and strategic growth plans.

• Reviewed, edited, and validated reports, spreadsheets, presentations, and planning documents to maintain high standards of quality, logical reasoning, and factual accuracy.

• Conducted market research, competitor analysis, and customer validation to support product positioning and strategic planning.

• Built financial models, revenue forecasts, pricing strategies, and fundraising materials for potential investors and strategic partners.

• Synthesized complex operational, financial, and market information into concise executive summaries and actionable recommendations.

• Implemented AI tools to accelerate research, document drafting, workflow automation, and business analysis while performing rigorous human review and quality assurance on AI-generated outputs.

• Led continuous process improvement initiatives using data analysis and measurable performance indicators.

• Collaborated with external partners, suppliers, customers, and prospective investors through professional written communication and presentation materials. Recording Artist

JARATENG STUDIOS January 2021 - July 2026, Nairobi, Kenya

• Composed and recorded over 50 original music pieces, showcasing creativity and strong communication skills.

• Collaborated with industry professionals to produce high-quality audio projects, meeting tight deadlines.

• Performed at live events, enhancing public speaking and audience engagement skills.

• Promoted personal brand through digital platforms, achieving a 20% increase in online following.

• Developed resilience and adaptability, balancing creative and business aspects of the music industry.

• Engineered accurate music transcription for more than 100 songs over 24 months using Sibelius and Logic Pro, enabling seamless collaboration and rehearsal efficiency with session musicians for cross-genre studio projects. Generalist

MERCOR.AI May 2026 - June 2026, remote

• Review and refine AI-generated content across plays, novels, short stories, articles, long form essays, tweets, podcasts, lectures, and late night

• Evaluate outputs for literary quality, structure, tone, and thematic depth

• Provide detailed editorial feedback to improve coherence and originality scripts for improved coherence, originality, and audience engagement. creative prompt writer

haltron solution April 2025 - January 2026, remote

• Devise compelling and diverse writing prompts for client marketing campaigns at Haltron Solution, consistently igniting audience engagement and driving measurable increases in content interaction according to key performance benchmarks.

• Crafted tailored content frameworks for diverse industry clients at Haltron Solution, enhancing campaign versatility and supporting elevated client retention across multiple account portfolios.

• Formulated dynamic campaign messaging at Haltron Solution, adapting tone and style to resonate with varied audience segments and strengthening overall brand presence for client initiatives.

• Engineered AI research-driven prompt systems over a 6-month period using OpenAI GPT-4 API, raising campaign engagement rates by 32% and supporting delivery of 15+ weekly data-informed content strategies for multi-sector clients.

• Developed and implemented quality rubrics within content development workflows at Haltron Solution over a 4-month period using Google Sheets and Airtable, standardizing prompt evaluation for 10+ client verticals and contributing to an improvement in content approval rates per month.

• Integrated structured feedback mechanisms using Google Forms and Notion over a 3-month period, improving prompt revision cycles by and supporting consistent delivery of client-ready content for ongoing marketing projects at Haltron Solution. machine learning intern

TANDA August 2025 - December 2025, nairobi

• Developed predictive models using cloud-based workforce data to support data-driven scheduling decisions, increasing accuracy and enabling real-time resource allocation.

• Engineered data preprocessing pipelines by integrating automated anomaly detection and normalization routines, significantly improving input quality for downstream machine learning algorithms.

• Deployed machine learning models to prediction environments, aligning model outputs with workforce management objectives and supporting consistent, high- quality decision support for enterprise clients.

• Conducted model training on data science using TensorFlow, automating daily retraining over a 3-month project to maintain over 92% prediction accuracy and minimize model degradation in enterprise scheduling systems.

• Evaluated model performance by estimating prediction cross-validation and quantitative metrics (AUC, F1-score) over a 12-week span, leveraging TensorFlow and scikit- learn to benchmark and continuously refine algorithm selection for large-scale workforce management datasets.

• Evaluated existing model effectiveness over a 12-week cycle by employing batch inference on automated monitoring pipelines with TensorFlow and scikit-learn, benchmarking evaluation metrics (AUC, F1 score) across workforce data for enabling accurate records to ensure performance improvement.

• Spearheaded deployment and monitoring of AI Models at scale over a 12-week internship, utilizing TensorFlow and scikit-learn to process workforce records weekly, maintaining >92% prediction accuracy and driving measurable improvements in resource allocation KPIs. Management consultant

Self-hand harvest May 2024 - December 2024, Kenya

• Training and evaluating AI models in Management Consulting.

• Conducted end-to-end business diagnostics to identify operational bottlenecks, growth constraints, and cost optimization opportunities.

• Researched pricing and product positioning based on consumer and competitor analysis.

• Utilized operational readiness Tableau and Excel over 12-week engagements to deliver actionable insights, demonstrating advanced analytical skills and supporting clients in achieving a 15% increase in process efficiency across three business units. Manager

Okomev Waters February 2018 - December 2019, Nairobi, Kenya

• Led a team of 15 staff members, enhancing productivity and ensuring compliance with health and safety regulations.

• Resolved customer service inquiries with a 95% satisfaction rate, strengthening client relationships and trust.

• Optimized logistics and scheduling, reducing delivery downtime and improving service reliability.

• Provided brand awareness through strategic local engagements, contributing to growth in business.

• Streamlined inventory management processes by integrating digital tracking systems, supporting more stock levels and minimizing supply disruptions. insurance sales agent

pioneer assurance May 2015 - January 2017, Nairobi, Kenya

• Increased new policy sales by over 20% within 6 months by developing targeted client outreach strategies and personalized insurance package recommendations.

• Sustainability management grew a portfolio of over 150 commercial insurance clients, achieving an average retention rate of 92% by consistently providing proactive policy reviews and additional services.

• Forged productive relationships with key business clients by conducting thorough needs assessments and presenting tailored insurance solutions, consistently increasing cross-sell and upsell opportunities.

PROJECT

customer service AI agent workflows

opal client services • johndoe.com/STEFFI_KAGUA

• Quality Assurance: Implemented a streamlined workflow, reducing processing time and enhancing overall efficiency.

• Operational Excellence: Designed a rigorous quality control measures, ensuring increased customer satisfaction rate and minimal errors in service delivery.

• Customer Satisfaction: Developed a personalized service approach, incorporating customer preferences and special instructions, to gain a 30% increase in repeat business.

• Cost Management: Optimized resource allocation and reduced waste, achieving a reduction in operational costs while maintaining service quality.

• Employee Development: Created clear training protocols, resulting in a decrease in onboarding time and improved job satisfaction among staff.

• Environmental Sustainability: Integrated eco-friendly practices, such as using energy-efficient dryers and sustainable detergents, reducing the business's carbon footprint.

• Data-Driven Improvements: Implemented a performance monitoring system, enabling data-driven decisions that enhance service quality and operational strategies.

• Scalability: Designed a flexible workflow that accommodated an increase in service demand without compromising on quality or customer experience. EDUCATION

Bachelor of Science in Economics

City University. • Kenya • September 2020 • 2.7

CERTIFICATIONS

Building Data Analyst AI

2026

AI for business operations

2026

AI for Accountants

2026

Analytics

2026

SKILLS

AI Implementation, Process Optimization, Financial Reporting & Analysis, Cost Control & Budget Management, Logistics Optimization, AI Evaluation, Document Review, Quality Assurance, Business Analysis, Financial Modeling, Pitch Deck Development, Data Interpretation, Critical Reasoning, Strategic Planning, Research & Synthesis, Process Documentation, Prompt Engineering, AI-Assisted Workflows, Cross-functional Project Management, Business Transformation, AI-Assisted Analysis AI Safety, Algorithmic Auditing, Ethical AI, Social Responsibility Team Leadership & Supervision, Operations Management, Performance Enhancement, Compliance Management, Strategic Brand Promotion Customer Relationship Management (CRM), Client Engagement, Service Excellence, Negotiation & Conflict Resolution Critical Thinking, Problem-Solving, Data Analysis, Financial Integrity, Multitasking Creative Writing & Content Development, Public Speaking & Performance, Audience Engagement, Collaboration

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