Stephane Njoki

Experience

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  KPMG East Africa

  Jul 2019 - Dec 2019

  Business Analyst

  KPMG, a global leader in professional services, entrusted me with a pivotal role during my internship at KPMG East Africa. My journey revolved around translating data stories into actionable insights that propelled real business outcomes. My 4 key focus areas were:• Client-Centric Data Reporting• Predictive Analytics and Sales Forecasting• Streamlining of Data Processing• Client Engagement and Business Requirement Documentation• Employed a diverse set of tools, including SQL, Oracle, and ERP systems, to meticulously extract raw data from varied sources such as Excel, CSV, and PostgreSQL. Executed data cleansing and sanitization processes to ensure the accuracy and reliability of the processed data, laying the foundation for meaningful analysis.• Utilized advanced data warehousing techniques, incorporating tools like SQL and Oracle, to consolidate and aggregate processed data which culminated in the creation of a well-structured data mart.• Utilized Python to process large streaming datasets, significantly improving the ingestion and processing speed of data by an outstanding 78%.• Facilitated client engagement to meticulously document business requirements. Conducted in-depth analyses of small to medium enterprise business processes. This process involved a holistic understanding of client needs and aligning data solutions with business objectives.During this internship, I honed my skills in Data Modeling, Predictive Analytics, and Data Visualization, as reflected in my proficiency with tools such as Tableau and Python. The experience at KPMG East Africa not only enriched my technical capabilities but also ingrained in me the importance of leveraging data for strategic decision-making in a professional services context. Show less

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  60 Decibels

  Feb 2020 - Sept 2021

  Analyst

  I joined 60 Decibels as an Analyst with a mission—to contribute to the transformation of impact measurement in the social sector. In the dynamic realm of tech-powered impact measurement, my role extended far beyond traditional analytics. I had the privilege of being part of a pioneering team that believes in the power of listening to the voices that matter most.At 60 Decibels, we were rewriting the narrative of impact measurement. My journey as an Analyst was woven into the fabric of this innovative approach. I played a key role in contributing to multiple client projects, ensuring not just high-quality output but fostering great client engagement and timely delivery, directly contributing to the realization of our organizational goals. One of the highlights of my tenure involved providing input to new survey products aimed at collecting actionable feedback to empower social enterprises in growing their business and impact.Some key accomplishments:• Engineered and implemented data visualizations using SQL, Tableau, and Looker, streamlining the interpretation of over 2K+ surveys. Resulted in a 30% increase in operational efficiency and a significant 20% reduction in program costs for pivotal survey programs, stimulating team productivity.• Leveraged Python, SQL, and Excel to collate, clean, and wrangle client data, uncovering strategic marketing opportunities. The insights gained from analyzed data informed decision-making, contributing to enhanced client engagement and business growth.• Orchestrated the integration of four diverse data sources through efficient code development, constructing a unified customer database on MongoDB. This strategic consolidation streamlined the data extraction, reporting, and processing pipeline, resulting in a 20% improvement in efficiency.• Collaborated cross-functionally and played a pivotal role in coaching new team members and mentoring research assistants annually. Show less

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  Code For Africa

  Oct 2021 - May 2024

  Data Analyst

  At Code for Africa (CfA), where I currently serve as a Data Analyst in the Datalab team, my role revolves around leveraging data to enhance civic engagement and strengthen public governance across the continent. As the largest network of civic technology and data journalism labs in Africa, CfA's mission is to empower citizens with actionable information for informed decision-making.In my capacity at CfA, I am dedicated to harnessing the power of data to drive impactful civic initiatives, transforming raw information into actionable insights that contribute to informed decision-making and civic empowerment. Show less

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  World Benchmarking Alliance

  May 2024 - now

  Data Analyst

  Benchmarking for a better world. Building a movement to measure and incentivise business impact towards a sustainable future that works for everyone.