Diego Tristão Ribeiro

Senior Continuous Improvement | $5M+ Projects | Supply Chain & Logistics | Lean Six Sigma Green Belt | Data Analysis & SQL | Operations Excellence | Cost Savings | CPG

Brazil

About

Experience

  • Mercado Livre (Hybrid)
    • Operations Project Manager | Greenfield Launch | Fullfilment | Start Up
      Mar 2026 - Present · 5 mos

      Led end-to-end execution of large-scale distribution center (fulfillment) startups, ensuring operational readiness, process efficiency, and on-time delivery in a high-growth e-commerce environment. Delivered greenfield distribution center projects, ensuring full operational readiness from day one Managed cross-functional teams (engineering, operations, supply chain, and third-party vendors) in complex environments Ensured on-time project delivery while meeting cost, quality, and performance targets Drove process optimization initiatives using Lean principles, improving efficiency and reducing operational costs Supported rapid scaling of operations to meet increasing demand and service level agreements (SLAs) Identified and mitigated risks, ensuring smooth execution across all project phases Ensured compliance with safety, quality, and operational standards.

    • Senior Continuous Improvement Analyst | $5M+ Projects - Supply Chain & Logistics
      Aug 2022 - Apr 2026 · 3 yrs 9 mos

      •Spearheaded the implementation of a "Goods-to-Person" (G2P) robotics system involving 110 AMRs, collaborating with Engineering and Process Dev to automate shelf movement; increased putaway productivity by 40% and picking throughput by 60%. •Led high-impact continuous improvement initiatives across large-scale logistics operations, improving efficiency, productivity, and cost performance. •Delivered over $5M in cost savings through Lean Six Sigma methodologies and process optimization. •Played a key role in the startup of multiple distribution centers (~90,000 m² each), ensuring operational readiness, scalability, and go-live excellence. •Reduced indirect labor by 3% through process redesign and strategic resource optimization. •Increased packing and putaway productivity by 5% and picking productivity by 4% through strategic layout redesign. •Developed and implemented SOPs, improving process standardization and operational consistency across the network. •Utilized SQL and Looker Studio to extract and analyze large datasets, building automated dashboards for real-time operational visibility and data-driven decisions. •Collaborated with cross-functional teams (Operations, Engineering, HR, IT, Supply Chain) to drive site-wide performance and continuous improvement culture.

  • Process Analyst | Supply Chain | Operations | Data Analysis & SQL | Operations Excellence at REMA TIP TOP Brasil
    Oct 2020 - Sep 2022 · 2 yrs

    • Led the implementation of new technologies in operational processes, improving efficiency and overall process performance • Drove continuous improvement initiatives, optimizing workflows and reducing operational inefficiencies • Delivered training programs for over 800 employees on equipment usage and new technologies, ensuring successful adoption and operational excellence • Acted as a liaison between technical and operational teams to enable the successful implementation of new tools and processes • Analyzed operational workflows to identify bottlenecks and drive process optimization initiatives • Contributed to process standardization and the development of best practices across operations • Supported daily operations, ensuring process compliance and consistent performance • Implemented a rubber thickness scanning system for ore conveyor belts across major mining companies in Brazil, enabling predictive maintenance, reducing unplanned downtime by 40%, and improving maintenance planning efficiency • Deployed a fiber optic-based temperature monitoring system for conveyors and storage facilities, enabling real-time condition monitoring, improving operational safety, and reducing unnecessary bearing replacements by 21%

  • Quality Analyst | Manufacturing & Automotive at Cliptech Industria e Comercio Ltda.
    Jan 2014 - Jun 2019 · 5 yrs 6 mos

    • Conducted quality inspections and audits, ensuring compliance with internal specifications and industry standards • Ensured adherence to automotive and management system standards, including IATF 16949, ISO 9001, and ISO 14001 • Analyzed production processes to identify failures and implemented corrective and preventive actions (CAPA) • Monitored quality KPIs, supporting continuous improvement initiatives and defect reduction • Collaborated with Production, Engineering, and Supply Chain teams to resolve quality deviations • Performed root cause analysis using structured methodologies (e.g., 5 Whys, Ishikawa) • Contributed to process standardization and development of quality procedures and best practices • Supported supplier quality evaluation and incoming material inspection