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Maribel Casillas

@maribelcasillas

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Experienced supply chain professional with expertise in data analysis.

Mexico

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What I'm looking for

I seek a role that fosters collaboration and innovation, focusing on strategic supply chain improvements.

Supply Chain and Demand Planning Specialist with over 15 years of experience leading S&OP/IBP processes, demand analysis, international sourcing, and KPI improvement in global companies such as 3M, Medtronic, Henkel, Farmacias del Ahorro, and Puratos. Expert in implementing integrated planning processes (IBP/S&OP) and developing dashboards in Power BI. Proven leadership in inventory optimization projects, overstock reduction, and forecast accuracy improvement (WAPE > 75%). Strong analytical skills, 80/20 mindset, data storytelling capabilities, and team development experience. Currently developing data science and business intelligence solutions for supply chain optimization.

Experience

Work history, roles, and key accomplishments

Sr. Regional Sales Administrator

Medtronic

Jul 2023 - Sep 2024 (1 year 2 months)

Coordinated and supervised sales quotas for the NOLA region, optimizing the achievement of commercial goals through efficient quota distribution and performance analysis of 300 representatives.
Implemented solutions to resolve commercial disputes and optimized productivity with Anaplan and SAP Commissions.
Tools used: Power BI, SAP Commissions, Anaplan

Communication Skills Problem Solving SQL Customer Service Communication Analytical Skills Data Analysis

Demand Planning Lead /S&O-PIBP Champion

Puratos

Feb 2019 - Jul 2023 (4 years 5 months)

Led the IBP/S&OP process in Mexico, aligning commercial, operational, and financial functions to generate a collaborative forecast. Improved forecast accuracy by 28% and reduced inventory by 8.4%, decreasing waste of MTO products by 20%.
Performance analysis (Forecast Accuracy, BIAS, OTIF, Stock Days, Fill Rate, Service Level, PSA, backorders, Budget vs. Forecast).

Communication Skills Project Management Problem Solving Communication Customer Service Analytical Skills Data Analysis SAP SAP SuccessFactors SAP Cloud Integration S&OP S&OP Workflows IBP Tools Best Practices In IBP

Non-Pharma Purchasing Manager

Grupo Farmatodo

Jun 2016 - Jun 2018 (2 years)

Led business development for Non-Pharma, achieving annual sales of $392 million, representing 60% of total sales for the chain.
Increased sales of key categories by 22% and achieved 500% growth in the Coffee category.
Managed 2000 SKUs and 70 national suppliers, optimizing inventories and business relationships.
Tools used: Intelisis, Qlik Sense, Dynamics, Gsuite

S&OP Lead

Henkel

Jun 2013 - Sep 2013 (3 months)

Communication Skills Problem Solving Communication Customer Service Analytical Skills Data Analysis SAP

Demand Planning Coordinator

Farmacias del Ahorro

Dec 2012 - Jun 2013 (6 months)

Managed demand planning for 1100 pharmacies and 5 distribution centers, optimizing inventory levels and improving supply rates.
Implemented forecasts with a MAPE of 30% and managed reorder points and replenishment schemes to maintain adequate inventory levels.
Tools used: SQL, Datamart, Forecast Pro

Communication Skills Problem Solving Communication Customer Service Analytical Skills Data Analysis SQL

Demand Planner & S&OP Lead

Nov 2011 - Oct 2012 (11 months)

Led the S&OP process for three businesses in the industrial division (Purification, Abrasives, and Oil & Gas), managing annual sales of $2.8 million.
Improved the abrasives fill rate by 30% through monthly S&OP reviews and collaboration with cross-functional teams.
Achieved a WAPE of 77% in SKU-level sales projections, improving forecast accuracy.