About Dennis
English
Native or bilingual
French
Fluent
Experience
- The American Business School of ParisInstructor – Data Analysis & Technical TrainingSeptember 2024 - August 2025 (11 months)1. Design and deliver high-impact dashboards and visual reports (Power BI, Tableau, Excel) that translate complex data into clear insights—boosting data understanding by +60% for stakeholders in education2. Work cross-functionally with analysts, educators, and managers to tailor data visualization solutions that support strategic decisions, reporting accuracy, and operational clarity.3. Deliver hands-on training and mentorship to students and junior professionals—enhancing their skills in data storytelling, dashboard design, and use of industry-standard tools. Over 200+ learners trained.4. Maintain a strong focus on data accuracy, design consistency, and emerging BI trends—ensuring visualisations are insightful, interactive, and business-relevant.
- University Paris 13English Language InstructorEDUCATION AND E-LEARNINGSeptember 2024 - Today (1 year and 9 months)1. TOEIC Success Focus (40%) – Deliver tailored reading, writing, and speaking training to prepare students for TOEIC exams, boosting test readiness and language confidence.2. Tech-Adapted Language Instruction (25%) – Customise lessons with IT-specific vocabulary and concepts, supporting students in fields like data analysis, cybersecurity, and digital systems.3. Media & Critical Literacy (20%) – Teach students to critically evaluate news, ads, and digital content, building communication and analytical skills relevant to modern business and tech contexts.4. Engagement Through Varied Methods (15%) – Apply blended teaching styles—interactive media, group projects, and structured grammar—to maximise retention, participation, and real-world communication.
- Pesa TransactIT Support & Incident ManagerMarch 2010 - June 2017 (7 years and 3 months)• Created Power BI & SSRS reports, documented processes, and maintained SOPs for IT service improvements.• Developed web interfaces using HTML, CSS, JavaScript, aligning with business and technical requirements.Position: IT Support & Incident Manager Pesa Transact March 2010 — June 2017• Oversaw UAT (User Acceptance Testing), infrastructure testing, and system updates, ensuring minimal downtime and service continuity.• Enhanced CRM for data quality, streamlined sales processes, and improved lead conversion rates..• Led the Implementation of POS system integration with CRM,ERP workflow automation and user training• Managed Service Level Agreements (SLAs) and system implementation policies across multiple applications.• Controlled stock distribution from network providers to agents, ensuring optimal resource allocation.• Developed marketing strategies leveraging all elements of the marketing mix to support business objectives.
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Education
- Master of ScienceEPITA2020Master of Science(MSc) in Information Systems Management
- Bachelor of ScienceUniversity of Moi2016Bachelor of Science (BSc) in Information Science Major