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Claudio F.

@c_ferrandino

Excel Data Cleaning and Automation Specialist

Italy
Italian, English
About me
Data & Marketing Analytics student with hands-on Excel experience from a business internship, where I used AI tools alongside Excel daily to clean, organize and automate real datasets — faster and with fewer errors. I combine analytical thinking with AI-assisted speed to deliver spreadsheets that are accurate and actually usable, not just "done". Native Italian, fluent English... Read more

Skills

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c_ferrandino
Claudio F.
Offline • 
Average response time: 1 hour

See my services

Data Cleaning
I will clean and organize your messy excel data
From$45 / projectMore details

Work experience

Self_Employed

Quantitative Research — LLM Recommendation Systems (Thesis Project)

Self Employed • Freelance

Apr 2026 - Present • 3 mos

Independent quantitative research measuring the manipulability of LLM-based recommendation systems through prompt injection. Designed and ran controlled experiments, cleaned and structured experimental data, and applied statistical analysis to evaluate alignment and bias effects — hands-on experience translating messy AI-generated output into structured, analyzable data.