Sergio Díaz

Hello, I am a professional with over 10 years of experience in administrative tasks, document management, and operational support, specializing in three key areas:

-Advanced Microsoft Excel:

Extensive experience creating and optimizing spreadsheets for data management, process automation, analysis, expense control, and custom reports. I master complex formulas, pivot tables, data validation, dashboards, and macros (VBA).

-Text Editing and Proofreading:

Clear and precise writing, spelling, grammar, and style review, for both corporate documents and technical, academic, or commercial texts. Experience in preparing reports, presentations, and content with a professional focus.

-Administrative Assistance:

Over a decade supporting administrative processes in demanding environments. Proficiency in office tools, agenda management, document preparation, file control, customer service, and general support for work teams.

I am an organized, problem-solving, and quality-committed individual. I adapt easily to new tools and work methodologies. I work with absolute confidentiality and a focus on results.

If you need a reliable profile with real experience, I will be happy to help you.