George Ledger

George joined the Data School from a business and management background after uncovering his passion for data, analysis and storytelling.

Throughout his time at the Data School, George has engaged with a diverse portfolio of clients spanning various industries, such as wealth management firms, international sports teams, property finance companies, and a fitness/fan engagement platform.

Through his adept use of data, George has played a pivotal role in facilitating data-driven decision making for these clients. For instance, he has conducted a comprehensive analysis of successful practices within a wealth management firm, uncovering key trends and techniques that have significantly contributed to their financial achievements. George went on to disseminate this invaluable knowledge to other practices, enabling them to enhance their own performance.

In addition to his strong analytical expertise, George has demonstrated exceptional proficiency in creating wireframes for clients, offering alternative approaches to visualise and utilise data more effectively. This strategic approach empowers clients to delve deeper into their data, enabling them to extract valuable insights. George's ability to leverage visual representations of data significantly enhances the understanding and utilisation of information for optimal outcomes.

George is also certified in both Alteryx and Tableau achieving his Alteryx Core Certification and Tableau Data Analyst Certification.

Outside of work, George enjoys fitness and videogames.


Certifications

Blog Posts

Avatar
Thu 11 Jan 2024 | George Ledger
How to Alias Dimensions in Tableau
You may have noticed that when using calculations as headers in Tableau, they are not always appropriately named for the end-user to understand what it actually is. Not only this, but dimensions are unable to be aliased like measures
Avatar
Fri 29 Dec 2023 | George Ledger
How to Create Custom Weeks in Tableau
When using different Date Parts in Tableau it can be annoying when using weeks. Tableau displays weeks as the week number based on the entire year (which isn't very helpful for an end user of a dashboard)
Avatar
Thu 28 Dec 2023 | George Ledger
Using 'datetimeoffset' from SQL Server in Tableau
A form of SQL Server is a very common way of retrieving your data to use in Tableau. In SQL it is normal to store dates (with specific times) in the 'datetimeoffset' datatype however, Tableau does not support this
Avatar
Mon 11 Sep 2023 | George Ledger
How to Make Current and Previous Financial Year in Tableau
When working on real life cases with data across time periods, it is important to know that company's do not often work according to the calendar year. For example, in the finance industry most companies work within the Financial Year (1st April to 31st March)
Avatar
Fri 28 Jul 2023 | George Ledger
Dashboard Week Day 5
The final day of dashboard week and that means the final day of training too! Today's dashboard was on the world happiness report where every country is measured amongst several metrics to see how 'happy' they are as a whole
Avatar
Thu 27 Jul 2023 | George Ledger
Dashboard Week Day 4
Today's dashboarding task was using Power BI as our tool rather than our more comfortable Tableau. As I knew my limitations with Power BI already this put me in a good position to be smart with my scoping. The dataset we were given was on Eurovision results
Avatar
Wed 26 Jul 2023 | George Ledger
Dashboard Week Day 3 - NBA API
Today's Dashboard Week Project was an interesting one.... We were given a link to an API that has NBA data going back decades. As my previous experience with APIs gives me mixed emotions I approached this carefully
Avatar
Tue 25 Jul 2023 | George Ledger
Dashboard Day 2 - IMDB
Plan for the Day: * Download dataset and explore key fields in each dataset to find out how to join them
Avatar
Mon 24 Jul 2023 | George Ledger
Dashboard Week - Day 1 - Accessibility
This is our last week of DS training and with that comes our first day of Dashboard Week. To start the day, we were taken through a 2 hour class on accessibility with data visualisations
Avatar
Fri 16 Jun 2023 | George Ledger
Difference between DATETRUNC and DATEPART in Tableau
The inspiration from this post came from when I made a DATETRUNC joke in our Stats 101 lesson and was told that it should have been a DATEPART joke instead. I thought I understood the difference however, shortly found out I did not know as well as I previously thought
Avatar
Fri 05 May 2023 | George Ledger
Alteryx Core Certification Reflection and Tips
Today I took the Alteryx Core Exam for the first time and thankfully passed with 89% which made me very happy and showed myself that hardwork paid off
Avatar
Wed 03 May 2023 | George Ledger
Set Actions Guide
I am writing a quick guide on the Set/Parameter Actions pane and what each part does
Avatar
Mon 17 Apr 2023 | George Ledger
Tableau Containers Guide - To Float or not to Float
When you have made all of your charts in Tableau you are going to want to bring them all together in a dashboard to V I S U A L I S E. However, if you haven't noticed, the way you make dashboards can be complex if you are not familiar with the tools and how they interact with one another
Avatar
Mon 17 Apr 2023 | George Ledger
Number Calculations in Tableau
When faced with creating a calculated field you may notice a long list of abbreviations with a short description on what they are and how they are used. However, some may be confusing so I will be helping you understand the most useful calculations under the Numbers tab
Avatar
Thu 13 Apr 2023 | George Ledger
What is adding to context in Tableau?
Today was our second official day learning Tableau. We covered a variety of topics however, I am going to be focusing on adding context to your filters. This is going to be helpful if you read my last blog about filters as this is something you can use to take your analysis to the next level
Avatar
Wed 12 Apr 2023 | George Ledger
Filtering in Tableau Made Simple
Have you ever wondered how to filter in Tableau? Well, I am here to help you. In Tableau, filtering can be extremely useful as you can exclude specific categories to see the data you are actually interested in
Avatar
Thu 06 Apr 2023 | George Ledger
First Presentation Day
This morning we were left to ourselves with a project to present at 1pm. We were put into pairs with a specific goal in mind, teach Tableau Prep to a version of ourselves one week earlier
Avatar
Wed 05 Apr 2023 | George Ledger
PREP. YOUR. DATA.
Day 3 - First Day of Data Preparation Today we looked into terminology and Tableau Prep to gauge a better understanding on the stages of data preparation. The biggest takeaway from today is that you NEED. TO. PREP. YOUR. DATA
Avatar
Tue 04 Apr 2023 | George Ledger
Day 2 at the Data School
Since yesterday was mainly tech setup and being introduced to other team members, today was our first day of training. We covered modern data analytics, data architecture and the modern analytics pipeline
Powered by The Information Lab
1st Floor, 25 Watling Street, London, EC4M 9BR
Subscribe
to our Newsletter
Get the lastest news about The Data School and application tips
Subscribe now
© 2025 The Information Lab