Data Analysis and Transformation Expert Needed

I require a skilled data analyst to work with my CSV/Excel files. The primary focus will be on descriptive analysis to summarize the data effectively.

Key Responsibilities:
- Conduct descriptive analyses on provided datasets
- Aggregate and summarize data as needed
- Create calculated fields based on project requirements

Ideal Skills:
- Proficiency in data analysis techniques
- Advanced skills in Excel and/or similar tools
- Experience in data transformation tasks
- Ability to summarize and interpret data clearly
- python
- pandas

Please provide examples of your previous work in your bid.