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

8 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