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Kasiera Bertha

@kasierabertha

AI & Data Analytics Specialist turning messy data into business decisions at the intersection of ML, BI dashboards, and storytelling.

Kenya

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What I'm looking for

I seek a client-focused role where I can drive sales growth, strengthen customer relationships, lead teams, and apply my retail and business development expertise.

I'm a data analyst and AI tools specialist based in Nairobi, Kenya, with a background spanning venture studios, consulting, and tech education. My work sits at the intersection of data science and business strategy — I build the dashboards, pipelines, and models that help teams stop guessing and start deciding.

At Delta40 Venture Studio, I analyse portfolio data across Africa's startup ecosystem — identifying growth signals, automating reporting, and translating raw numbers into investment-grade insights. I'm proficient in Python (Pandas, NumPy), SQL, Power BI, Google Looker Studio, and PromptBI, and I hold certifications in data analytics and software development.

What sets me apart is range. I've worked as a developer (Python, Dart, Flutter), an instructor, a business development manager, and an executive analyst — which means I can read a room, communicate with non-technical stakeholders, and connect data strategy to real organisational goals.

I'm actively seeking remote AI & data roles where I can contribute to high-impact teams, build intelligent systems, and keep growing at the frontier of applied AI.

Open to: Full-time remote · Contract · Part-time Skills: Python · SQL · Power BI · Looker Studio · EDA · Predictive Modelling · Dashboard Design · Data Pipelines · Prompt Engineering

Experience

Work history, roles, and key accomplishments

Business Development Manager

CXP Consulting Group

May 2023 - Jan 2025 (1 year 8 months)

Identified and pursued new business opportunities and partnerships, prepared proposals and pitches, and collaborated cross-functionally to drive growth from May 2023 to Jan 2025.

Business Development Client Relations Proposal Writing Sales Strategy Partnership Management Reporting

Customer Service Executive

Airtel Networks Limited

May 2022 - Jan 2023 (8 months)

Delivered customer service, managed weekly inventory and petty cash, onboarded clients across services, and resolved complaints to improve satisfaction from May 2022 to Jan 2023.

Customer Service Inventory Management Customer Onboarding

Sales Executive

Victoria Courts Trading Limited

Feb 2019 - Jan 2022 (2 years 11 months)

Managed walk-in and telesales, conducted weekly stocktakes, led monthly product training, and organized product displays to drive sales between Feb 2019 and Jan 2022.

Retail Sales Stock Control Visual Merchandising

Customer Attendant

Tiny Pin Enterprises

Jan 2011 - Oct 2018 (7 years 9 months)

Provided front-line customer service, managed client payments, performed inventory checks and restocking, and handled deliveries from Jan 2011 to Oct 2018.

Customer Service Point of Sale

M-PESA Attendant

Emgrakas Investments

Jan 2015 - Apr 2015 (3 months)

Registered M-PESA users, facilitated deposits and withdrawals, and educated customers on mobile financial services while maintaining operational compliance from Jan 2015 to Apr 2015.

Mobile Money Services Customer Education Cash Transactions Compliance Customer Support

Education

Degrees, certifications, and relevant coursework

Kenyatta University

Bachelor of Science, Statistics and Programming

Completed a Bachelor of Science in Statistics and Programming focusing on statistical methods and programming applications.

Power Learn Project

Certificate, Software Development

Completed a Junior Software Development program covering foundational software development concepts and practical exercises.

Generation Kenya

Certificate, Retail and Restaurant Services

Earned a Retail and Restaurant Services Certificate covering retail operations, customer service, and food service basics.

Institute of Advanced Technology

Certificate, Computer Programming

Completed a Computer Programming Certificate focused on programming fundamentals and practical coding skills.

Institute of Advanced Technology

ICDL, Computer Literacy

Obtained the International Computer Driving License covering core computer skills and common productivity software.

Coursera / Google

Specialization Certificate, IT Support

Completed the Google IT Support Specialization covering IT support topics including system administration, operating systems, networking, and security.