Bussayamas Chapiarach

Summary

Results-driven Customer Relations Officer with expertise in managing global customer relations and resolving allocation issues. Experienced in analysing demand data to optimise inventory management, achieving significant cost reductions and high inventory accuracy. Proficient in CRM platforms including Oracle CRM, SAP, and C/4HANA, along with advanced Excel data analysis. Background in trade negotiations and document preparation enhances ability to support operational efficiency.

Overview

Certification

years of professional experience

Work History

Customer Relations Officer

Sony Device Technology (Thailand) Co., Ltd.

Pathumthani, Thailand

04.2020 - 12.2025

Acted as the primary point of contact for 8 customers around the world, resolving allocation issues, delivery schedule changes, and technical requirement inquiries in a fast-paced environment.
Exceeded customer expectations by maintaining a 97%+ CSAT score, driven by a commitment to 24-hour response times and high-quality, resolution-oriented communication.
Analyzed historical demand data and customer forecast trends to assist in the S&OP (Sales and Operations Planning) process, minimizing inventory stockouts and ensuring safety stock to meet flexible demand.
Maintain 100% data accuracy of PO (zero error), ensuring seamless downstream operations for production, finance, and external partners.
Collaborated closely with Production, Planning, QA and logistics team to align manufacturing schedules with customer demand forecasts, achieving packing at least 2 days prior to the shipment date.
Managed end-to-end Vendor Managed Inventory (VMI) operations for key customers, ensuring seamless replenishment and zero line-stoppage for customers.
Optimized warehouse workflows, maintaining 99%+ inventory accuracy within the VMI program, resulting in a 75% reduction in reporting costs.

Trainee, Department of Trade Negotiations

Ministry of Commerce

Nonthaburi, Thailand

05.2019 - 07.2019

Prepare documents, communications, and reports regarding import and export information between Thailand and other countries under trade agreements.
Identified issues, analysed information and provided solutions to problems.
Adhered to project timelines by coordinating tasks effectively. using excellent planning and coordination skills.

Education

Bachelor of Economics - Economics

Chiang Mai University

01-2019

Skills

CRM Platforms:

Oracle CRM, SAP, C/4HANA

Data analysis:

Excel Advanced (Formulas & Functions, PivotTables, Power Query, charts, VBA)

Communication Software:

Microsoft Teams, Zoom, Skype

Inventory management
Office software proficiency
Customer relationship management
Customer support
Team collaboration

Certification

Occupational Safety, Health and Environment Committee Training

Department of Labour Protection and Welfare (2023)

Integrated Management System Internal Audit for ISO 14001:2015, ISO 45001:2018
Risk Assessment and Opportunity Evaluation for ISO 45001:2018
ISO 9001:2015 & IATF 16949:2016 Process Approach, Risk Based Thinking and Internal Quality Audit

TOEIC

Total score 745 (Listening 400, Reading 345)

Accomplishments

Win ED & MD awards
Business trips to SONY main factory and Sale headquarter to discuss operation improvements

Timeline