Tatiana Martínez Sierra

Tatiana Martysiuk possesses extensive experience in sales leadership, having served as Head of Sales for BELAGS SERVICE and IrmaFashion, where significant achievements included a 41% turnover increase in the first year at BELAGS SERVICE and a 215% sales volume growth at IrmaFashion. Martysiuk has demonstrated a strong capability in developing sales strategies, managing full-cycle sales processes, and launching new business channels, including IoT and e-commerce. Previous roles as Sales Manager at Colgate-Palmolive and Certification Expert at the Chamber of Commerce and Industry provided foundational skills in client management and market analysis. Martysiuk holds a Master's degree in International Business/Trade/Commerce from Brest State Technical University and completed additional professional education at the University of Michigan.