Ernesto Alejandro

Martínez Villegas

Excel automation specialist using VBA and Power Query to build efficient data and reporting solutions. I help individuals and small businesses automate repetitive tasks, clean and transform data, and create reliable reporting systems inside Excel. Core services: • Excel VBA automation and macros • Data cleaning and transformation (Power Query) • Automated reports and dashboards • Spreadsheet optimization • Workflow automation Focused on practical solutions that reduce manual work, errors, and processing time.