Sebastian S.

@sebas_sierrab

PM, Civil Engineer, Data Analyst, Marketing, OSH

Guatemala

Engels, Spaans

Sommige informatie wordt in het Engels weergegeven.

Over mij

I help construction companies and businesses improve performance through project control, cost management, and data-driven decision-making. My experience includes project management, labor and material cost analysis, and operational execution, supported by strong skills in data analytics, sales, and marketing. I build practical systems for budgeting, scheduling, and reporting using Excel and Power BI, helping teams reduce costs, improve efficiency, and drive measurable growth.... Lees meer

Skills