Mathias Joseph Montassier

With more than 10 years of experience, I facilitate complex data management and professional multilingual communication. A native French speaker, bilingual Spanish and fluent in English, I help international companies optimize their operations and communicate effectively across borders.

📊 Excel and Data Automation Expert

I don't just use Excel; I design automated systems. My experience as a planning manager in the retail industry (inventory management and sales reporting) allows me to understand the business logic behind the data.
VBA macros and automation: Transform manual tasks into automatic "one-click" programs.
Custom User Forms: Create intuitive interfaces for seamless data entry.
Advanced Reporting: Create dynamic dashboards and complex inventory management systems.
Google Apps Script: AI and JavaScript integration to optimize Google Sheets workflows.

🌍 Multilingual communication and translation
My experience as a French teacher with Spanish speakers gives me a unique pedagogical approach and a constant concern for linguistic accuracy.
Translation: Professional French/Spanish/English translation for companies.
Clarity: I specialize in synthesizing complex information into clear and concise reports.
Installation: Fully equipped home office with high-end hardware for optimal remote collaboration.
Commitment: I am looking for long-term partnerships where I can bring real added value thanks to my rigor and technical expertise.