Isadora Siqueira

• Managed strategic procurement of mobile mining equipment with an annual spend over USD $40M. • Oversaw full category scope including purchases, rentals, and specialized services, ensuring optimal commercial, technical, and delivery outcomes. • Led weekly alignment meetings with planning teams and suppliers to ensure seamless supply chain coordination. • Supported long-term business planning by structuring category strategy based on 10-year forecasts. • Negotiated purchase contracts, achieving $1.2M in cost savings in 2024. • Managed legal agreements negotiations with vendors, focusing on risk mitigation and compliance.

• Evaluated supplier proposals based on price, delivery timeline, financial health, technical capability, and compliance. • Executed high-value spot purchases with OEMs and exclusive suppliers under tight timelines. • Led a procurement process improvement initiative, reducing bottlenecks and enhancing execution speed. • Monitored KPIs to ensure alignment with strategic goals and operational needs. • Integrated OEM items into long-term contracts, reducing reliance on spot purchases.

• Developed tools to monitor KPIs and support strategic decision-making. • Assessed financial health of vendors to mitigate supply disruption risks. • Supported contract creation and item inclusion for category buyers. • Led VPS-based continuous improvement initiatives to enhance safety and efficiency. • Managed supplier registration and ensured system validity for procurement use

• Conducted procurement analysis for building maintenance projects. • Performed site visits and monitored construction progress for quality and timeline adherence. • Provided technical support for problem-solving in collaboration with project engineers. • Assisted in supplier selection and demand prioritization to meet operational deadlines. • Reviewed technical proposals and facilitated internal approvals in line with safety standards.