Professional Summary
Overview
Work History
Education
Skills
Certification
Timeline

John Paulo Castillo

Emerson Manila
John Paulo Castillo
1
Certification
8
years of professional experience

Detail-oriented professional with extensive 8 years of experience in supply chain and procurement. Known for strong analytical skills and effective team collaboration, committed to driving process improvements and optimizing inventory management. Seeking a challenging role in an organization, which provides opportunities to enhance my skills and expand my knowledge for the growth of the company.

Work History

Senior Specialist, Production Planning

10 Months
Emerson Manila | 12.2025 - Current

• Facilitated work order planning and machine center allocation processes to synchronize production output with demand while maintaining optimal inventory levels

• Analyzed inventory levels for make parts and optimized safety stock requirements to maintain the right balance between material availability and inventory cost

• Analyzed production schedules and material availability to determine reliable promised ship dates; ensuring timely fulfillment of customer orders and effective supply planning

• Developed and implemented process improvement initiatives resulting in increased productivity and turnaround times

Specialist II Buying & Planning

2 Years 3 Months
Emerson Manila | 09.2023 - 12.2025

• Released work orders in alignment with production schedules and material availability, optimizing workflow efficiency and supporting on-time manufacturing operations

• Partnered with procurement to ensure material availability aligned with production schedules, maintaining quality standards and minimizing supply disruptions

• Analyzed customer demand trends and feedback to optimize production schedules and order quantities, minimizing stock shortages and excess inventory

Procurement Buyer - Indirect Parts

3 Years 8 Months
Denso Philippines Corporation | 01.2020 - 09.2023

• Managed inventory planning and replenishment ordering of indirect materials to optimize production line operations

• Managed purchase requisitions across multiple commodity categories, including spare parts, chemicals, factory supplies, office supplies, janitorial supplies, and services, ensuring optimal cost, quality, and supplier delivery performance

• Processed RFQs and coordinated supplier quotations for assigned commodities to support timely material replenishment while optimizing cost, quality, and delivery

• Prepared monthly inventory reports and analyzed inventory performance to identify discrepancies, improve inventory accuracy, and ensure sufficient stock levels to meet operational and production requirements

• Managed supplier communications to resolve pricing, quality, delivery, and invoice-related issues, improving order fulfillment and supporting continuous production operations

Procurement Staff - Direct Parts (Reliever)

10 Months
CPPMSI - Denso Philippines Corporation | 02.2019 - 12.2019

• Process and manage Purchase Order of Electronic components and monitor on-time delivery based on target delivery schedule of end user

• Monitor workflow and process change notifications from suppliers, coordinating with relevant departments to assess impact of changes

• Handled supplier requests for debit and credit memos

Education

Bachelor of Science - Operations Management

Lyceum of The Philippines | Laguna | 2018

Skills

Oracle and ERP System
Microsoft Excel (Advanced)
Microsoft Power BI (Basic)
Analytical Skills
Supply chain management
Team Player

Certification

• Understanding Supply Chain - Philippines Institute for Supply Management

• Microsoft Excel (Advanced) - Mapua Institute of Technology

Timeline

Senior Specialist, Production Planning

Emerson Manila
12.2025 - CurrentRead More

Specialist II Buying & Planning

Emerson Manila
09.2023 - 12.2025Read More

Procurement Buyer - Indirect Parts

Denso Philippines Corporation
01.2020 - 09.2023Read More

Procurement Staff - Direct Parts (Reliever)

CPPMSI - Denso Philippines Corporation
02.2019 - 12.2019Read More

Lyceum of The Philippines

Bachelor of Science from Operations Management
Read More
John Paulo Castillo