Leonardo Ceballos

What about him?

Leonardo's commitment to learning and self-improvement drives his pursuit of excellence. He believes that by continually enhancing his skills, he can better serve others and help them thrive.

After gaining extensive experience in the humanitarian sector, Leonardo developed a strong interest in data analysis, leading to a career transformation. His diverse background enables him to combine strong analytical skills with a genuine understanding of human-centered approaches.

Proficient in Tableau and SQL, and with a solid understanding of Power BI, Alteryx, and Python, he is ready to transform raw data into actionable insights, empowering organizations to make informed decisions and achieve their goals.

In his free time, Leonardo invests in his health. You’ll often find him breaking a sweat with high-intensity interval trainings, cooking hearty dishes, and enjoying the company of his loved ones, including his dog.

Soft skills

  • Interpersonal competence

  • Communication

  • Attention to detail

  • Organisational abilities

  • Flexibility

Technical Skills

  • Data Visualisation: Tableau Desktop, PowerBI

  • Data Preparation: Tableau Prep, Alteryx, SQL, Python

Featured Work

Previous Work Experience

8 years at the German Red Cross Headquarters as a Project Officer and Unit Assistant

Where I:

  • Developed comprehensive guidelines to standardise organisational, logistical, and coordination processes for trainings and events with cooperation partners

  • Assisted in emergency aid missions and played a role in preparing and following up on missions, facilitating delegates with essential tools and travel arrangements

  • Represented the German Red Cross at national and international events and meetings, with a focus on surge and readiness, particularly in the context of learning and development

1 year at BEAT81 (GRITSpot GmbH) as a Group Fitness Trainer -freelance sideline activity

Where I:

  • lead groups of people in various physical activities to improve their fitness and health.

Blog Posts

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Thu 25 Jul 2024 | Leonardo Ceballos
Dashboard Week 4 - Discovering PGB's Musical Taste
Hey P.! Ever wondered what your Spotify listening habits say about you? Well, you are about to uncover some fascinating insights with the dashboard I built 😉 Let's walk you through it. KPIs: Quick Stats at a Glance I started with some KPIs to give you a quick snapshot of your music habits
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Wed 24 Jul 2024 | Leonardo Ceballos
Dashboard Week 3 - A great Approach to Personal Branding
Today, I embarked on an exciting project: creating my CV as a dashboard. It was a fun and personal endeavor, quite different from the usual "corporate" CVs. The dashboard begins with my name and current job position, accompanied by social media icons
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Tue 23 Jul 2024 | Leonardo Ceballos
Dashboard Week - 2. Dashboard: 📈📉📊
Today tasks was some kind of a "Template Challenge". The idea was to build some resources for future work, as having a collection of templates under the sleeve can be useful when working on tight deadlines, require inspiration or when asked to showcase examples
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Mon 22 Jul 2024 | Leonardo Ceballos
Dashboard Week - 1. Dashboard: 🎥⭐
As a tribute to Johnny Depp's remarkable film career, I created a Tableau dashboard that digs into the various aspects of his movies. This project aims to provide insights into his filmography, highlight key statistics, and explore trends over time
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Wed 29 May 2024 | Leonardo Ceballos
Project Fire & Rescue 🔥☎️🚒💨
In this project, I helped the London Fire Brigade create a dashboard to analyse their data. My main task was to provide insights into their Call Centre performance. Background: Emergency calls are handled by trained Call Handlers in an Emergency Call Centre
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Tue 07 May 2024 | Leonardo Ceballos
The superpowers of Pre-Attentive Features
Data visualisation can be certainly seen as a mix of art and science. It blends elements of creativity and analytical precision
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Mon 06 May 2024 | Leonardo Ceballos
Embrace Every Tool: A Lesson from Power BI
When I first encountered Power BI during a training session, my initial reaction was far from enthusiastic. "I hate Power BI," I thought, comparing it to Tableau, a tool I am more familiar with
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Wed 10 Apr 2024 | Leonardo Ceballos
Creativity and Collaboration made easy (not only) in Data Analytics
Say hello to Excalidraw! 💡🤝 I have recently started my data analytics journey and encounter an abundance of tools, each offering a wide range of functionalities. Among them, one that particularly called my attention was Excalidraw
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