Research
Greybody Factor and Superradiance of Dyonic Black Holes Ongoing
Investigating properties of charged black holes in gravitational physics.
BANGKOK, THAILAND / STRATEGY & ANALYTICS
Marketing Strategy & Business Analyst Officer at POSCO-Thainox. Connecting sales, marketing, and CRM data to decisions that matter.
BUSINESS PERSPECTIVE.
QUANTITATIVE FOUNDATION.
01 / THE APPROACH
Start with the business question. Find the signal. Define the next move.
Market perspective
Market trends & segmentation
Identify opportunities worth investigating.
Sales perspective
Product mix, trends & KPI analysis
Identify where deeper investigation is needed.
Customer perspective
Segmentation, CLV & churn analysis
Connect customer needs with the next action.
02 / SELECTED WORK
Analytics system
Comprehensive CRM analytics combining customer segmentation, CLV prediction, and churn analysis.
Customer analytics
Telecom customer churn model using CatBoost, service behavior, billing signals, and zipcode population enrichment.
Decision support
Decision support system for credit card approval.
Machine learning
Machine learning model for detecting fraudulent credit card transactions.
Predictive modeling
Advanced model for predicting house prices based on comprehensive property features.
Research
Investigating properties of charged black holes in gravitational physics.
Published research
Investigated the greybody factor of massive scalar fields in Reissner–Nordström black holes.
Particle physics
Applied ML techniques for rare event detection in ATLAS data from particle physics experiments.
Regression analysis
Developed predictive analytics model for student performance using regression techniques at Mahidol University.
Computational physics
Calculated geodesics in advanced coordinate systems during Physics Summer Research at Mahidol University.
03 / EXPERIENCE
POSCO-Thainox Public Co., Ltd.
Emporium Tower, Sukhumvit 24, Klongtoey, Bangkok
2026 – Present
Laboratory of Cosmology and Gravity
The Institute for Fundamental Study, Naresuan University
2024 – 2025
04 / THE FOUNDATION
Physics graduate awarded first-class honors, now working as a Marketing Strategy & Business Analyst Officer at POSCO-Thainox Public Co., Ltd. in Bangkok. I bridge the gap between raw data and actionable business strategy — extracting insights from sales, marketing, and CRM data to drive profitability and growth in the stainless steel industry.
With a strong foundation in quantitative analysis, Python, SQL, and data visualization, I support strategic planning, KPI monitoring, market research, and cost-benefit analyses for marketing initiatives.
Capabilities
Research output
Greybody factor for massive scalar field in charged black hole
R. Nakarachinda, S. Polkong, P. Wongjun
European Physical Journal Plus, 140 (2025), 838.
Greybody Factor for a Massive Scalar Field in Schwarzschild and Reissner–Nordström Black Holes
Siam Physics Congress (SPC) 2024, Phra Nakhon Sri Ayutthaya, Thailand – June 2024
Foundation
Education
First Class Honors - Distinction program
Mahidol University
August 2020 – June 2024
Scholarship
Full undergraduate scholarship for outstanding academic performance
Mahidol University
August 2020 – June 2024
Contact
I am currently working as a Marketing Strategy & Business Analyst Officer at POSCO-Thainox Public Co., Ltd. in Bangkok. Feel free to reach out for collaborations, professional discussions, or networking opportunities.