Data Analyst, Lab technician, Agriculturist

Joel Tetteh-agmleh Siau

Nyankrom, Ghana 055******* 057******* ***********@*****.***

SUMMARY

Results-driven professional with experience in quality control, industrial laboratory testing, operations support, education, and data analytics. Skilled in material testing, quality assurance, process monitoring, data analysis, and business reporting. Proficient in Microsoft Excel, Power BI, SQL, Tableau, Google Sheets, and AI-powered productivity tools. Recognized for strong problem-solving abilities, attention to detail, and the ability to support operational efficiency and informed decision-making. Adaptable and capable of contributing effectively across manufacturing, logistics, administration, business operations, and data-driven environments. EDUCATION

University of Cape Coast

Bachelor of Science (BSc) General Agriculture, Relevant Areas:, Systems Thinking, Crop Science, Soil Science, Data Analysis & Research Methods

2022

EXPERIENCE

Physical Testing Technician 2025 – Present

KEDA Ceramics Ltd

• Conduct physical testing of raw materials before production to ensure compliance with quality standards.

• Perform quality assessment of finished products from production lines.

• Record, analyze, and report testing results to support production decisions.

• Assist in maintaining quality assurance procedures and production standards.

• Support continuous improvement initiatives aimed at product quality and operational efficiency.

• Serve as Safety Representative, promoting workplace safety awareness and compliance. Density Management Officer 2022 – 2024

Golden Exotic Limited

• Maintained optimal plant population and spacing to maximize productivity and yield.

• Supported field operations and production planning activities.

• Collected and maintained operational records to support decision-making.

• Assisted in implementing productivity improvement measures across production sites. Teacher 2024 – 2025

GISAM College

• Taught Agriculture, Physics, and Additional Mathematics to SHS and remedial students.

• Prepared students for final examinations through structured lesson delivery and assessments.

• Developed learning materials and monitored student performance. Freelance Data Analyst & Consultant 2022 – Present Self-Employed

• Analyze and interpret business data using Excel, Power BI, SQL, and Tableau.

• Develop dashboards and reports to support business decision-making.

• Transform raw data into actionable insights for clients.

• Support process improvement through data-driven recommendations. National Service Personnel 2022 – 2023

Golden Exotic Limited

National Service

• Assisted operational teams in production and field management activities.

• Supported data collection, reporting, and productivity monitoring.

• Contributed to the achievement of operational objectives through effective teamwork and record management. TECHNICAL SKILLS

Quality Control & Assurance

Material Testing & Analysis

Data Analysis & Reporting

Operations Support

Process Improvement

Administrative Support

Documentation & Record Management

Safety Compliance

Problem Solving

Team Collaboration

Communication Skills

Time Management

Microsoft Excel

Power BI

SQL

Tableau

Google Sheets

Data Visualization & Reporting

Artificial Intelligence Tools (ChatGPT, Claude, Gemini, Google AI Studio, NotebookLM) CERTIFICATIONS

AI Professional — Coursera 2026

Data Analytics — FestMan Learning Hub 2021

LEADERSHIP & COMMUNITY ENGAGEMENT

Safety Representative — KEDA Ceramics Ltd - Promote workplace safety awareness and adherence to safety procedures. - Support management in maintaining a safe working environment. Volunteer Tutor - Organize and conduct free academic support classes for students during vacation periods. - Assist students in improving performance in Mathematics and Science-related subjects. CERTIFICATION DETAILS

AI Professional (Coursera 2026) Key Competencies: - Prompt Engineering - Generative AI Applications - AI Productivity Tools - AI-Assisted Research - AI for Business and Decision-Making Data Analytics (FestMan Learning Hub 2021) Key Competencies: - Data Cleaning - Data Analysis - Dashboard Development - Business Reporting

LANGUAGES

English

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