Célestin Taillefesse

Trainer & Consultant Excel / Power BI | Expert in automation and data analysis

I specialize in Excel, Power BI, and process optimization, and I help companies structure, automate, and analyze their data to gain efficiency and performance.

With solid field experience in demanding environments, particularly in the industrial and railway sectors, I design concrete, reliable solutions adapted to business needs.

My areas of expertise:

- Creation of Power BI dashboards

- Excel automation (advanced formulas, Power Query, VBA)

- Data analysis and exploitation

- Reporting and performance indicators

- Structuring and validating Excel files

- Optimization of administrative and technical processes

- Excel and Power BI training for all levels

My goal:

Transform complex and time-consuming files into simple, efficient, and automated tools.

As a pedagogue focused on results, I make it a point of honor to provide clear, sustainable solutions that are easily usable by end-users.

Available for:

- Occasional or long-term missions

- Creation of custom tools

- Support and advice

- Individual or team training

Feel free to contact me to discuss your project.