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Red Balls of Fire

Bernard Kilonzo

Bernard Kilonzo

Admin

Lead Analytics Consultant

Join date: Dec 13, 2019

Bernard is a senior data analytics consultant based in Kenya with expertise in data analytics and visualization using Tableau, Power BI, and Shiny.

Bernard runs a remote-first data analytics and visualization consultancy firm Rigor Data Solutions. He spends much of his time helping clients design, develop, and deploy solutions that extract valuable insights. He has extensive experience in data analytics consulting, where he has successfully developed solutions for clients such as UNFPA, Social Impact, Day for Girls International, Evidence Action etc. Bernard is a 3X Tableau certified expert and has an undergraduate degree in Mathematics from Egerton University.

Outside work, Bernard loves watching medieval series, enjoys adventure travel, and orchard farming.

Work with Bernard

Related Reading (487)

Sep 12, 2026 ∙ 2 min

Custom Number Formatting in Tableau

Overview Tableau custom number formatting lets you control exactly how a field’s values appear in every worksheet without writing any calculated fields. Instead of transforming the data, you define a display‑only formatting pattern that Tableau applies consistently wherever that field is used. This includes specifying decimal precision, thousands separators, scaling (K, M, B), prefixes or suffixes, and even literal text. Because it’s set at the field level, it ensures uniform presentation...

Sep 5, 2026 ∙ 3 min

Data Integration vs. Data Blending

Overview Organizations today work with data scattered across databases, cloud applications, spreadsheets, and real‑time systems. As they try to make sense of this expanding landscape, two approaches frequently shape how information is brought together: data integration and data blending. Each plays a distinct role in analytics workflows, influencing how teams combine sources, manage complexity, and prepare information for reporting or decision‑making. This article explores why both approaches...

Aug 29, 2026 ∙ 2 min

Customizing Page Navigation Buttons in Power BI

Overview In a previous article, we explored how to create navigation buttons in Power BI - a foundational skill for building intuitive, user‑friendly report experiences. This follow‑up article takes that concept further by demonstrating how to customize your page navigation, so it feels more polished, branded, and aligned with your report’s overall design. You’ll learn how to refine navigation behaviour, adjust visual styling, incorporate icons and themes, and create a seamless flow between...

Aug 26, 2026 ∙ 2 min

Creating Executive Friendly Landing Pages in Power BI

What is a Landing Page? A landing page is a deliberately designed introductory screen that appears before users access detailed analytics, providing a clear overview of the report’s purpose, guiding navigation to different sections, and offering essential context such as instructions, metric definitions, and data refresh information to ensure a smooth, intuitive user experience. It can be summarized as the first page users see when they open a report, designed to act as a home screen,...

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