David Si
Operation & Logistics professional
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About
Trading Operations professional with 7+ years in energy/commodities trading, complemented by Master's in Information Science with Distinction. Experienced in biofuel, crude and gasoline operation, vessel & cargo coordination, documentation, and operational process management, with strong academic education and practical skills in data analysis, optimization and information systems.
Experience
Operation Analyst at ENI Trade & Biofuels (2025-08 – Present)
I manage end to end operation execution of biofuel trades, coordinating vessel clearance and movements, scheduling, voyage orders, loading operation and trade documentations. I liaised closely with counterparties, port agents, ship brokers, surveyors and internal trading team to ensure smooth cargo execution, timely documentation and accurate system actualization.
- Implemented Coordinated cargo operations contributing to demurrage savings up to $1M in total
- Improved operation management and workflow efficiency, increasing team productivity by approx. 25%
- Developed in-house vessel monitoring and tracking tools to provide more effective and proactive operation management
Operation Executive at Quantum Global (APAC) Pte Ltd (2022-08 – 2024-02)
I managed daily crude oil and petroleum products trading operations, coordinating vessel logistics, documentation, prepared P&L and position reports for paper trading on daily and monthly basis, and risk management across Southeast Asia, Middle East, and EU regions.
- Implemented new risk monitoring system, reducing reporting errors by 40%
- Managed daily P&L reporting for trading books worth over $50M
- Streamlined position reporting, improving data accuracy and timeliness.
Business Process Services Analyst at Accenture Singapore Pte Ltd (Meta Platforms Inc, Former Facebook) (2020-05 – 2021-11)
I led data-driven quality assurance and performance analysis for Meta's business processes, focusing on compliance monitoring, quality reviews and process optimization.
- Improved quality review accuracy by 30% through implementation of new data-driven audit methodology
- Reduced average appeal processing time by 25% through process optimization
- Increased team performance consistency through enhanced quality audits.
Administrative Operations Executive at PTT International Trading Pte Ltd (2017-09 – 2019-06)
I managed trade settlements, document processing, and system operations for international trading activities, focusing on LC negotiations and SAP system management for product inventory.
- Enhanced trade settlement accuracy, minimizing disputes by 15%.
- Reduced processing time for invoices by implementing SAP optimizations.
- Ensured seamless daily operations, improving team collaboration.
Operation Analyst Executive at Amerex Petroleum Singapore Pte Ltd (2014-01 – 2017-05)
I managed swap trades execution and market analysis for global oil markets, focusing on exchange systems operations and OTC trade monitoring.
- Improved trade data accuracy, reducing reconciliation errors by 20%.
- Enhanced broker support by introducing streamlined processes for data entry
- Contributed to market analysis, leading to better trade decisions.
IT Consultant & Coordinator at Realty apps Ltd (2012-01 – 2013-12)
I managed client relationships and project coordination for mobile and web application development, serving as liaison between clients and development team.
- Delivered 15 successful mobile applications with 100% client satisfaction
- Strengthened customer loyalty through proactive support and engagement.
- Improved market intelligence reporting, contributing to strategic decision-making.
Technical Sales Engineer at Advantech Singapore Co Ltd (2006-08 – 2007-12)
I drove sales growth and provided technical support for key accounts, focusing on customer relationship management and product solutions.
- Increased sales revenue by 15% by identifying new market opportunities.
- Strengthened customer loyalty through proactive support and engagement.
- Improved market intelligence reporting, contributing to strategic decision-making.
Technical Specialist at Hewlett Packard Singapore Pte Ltd (2003-07 – 2006-07)
I managed production line maintenance and provided technical support for PC infrastructure, focusing on troubleshooting and inventory management.
- Reduced production downtime by 20% through effective troubleshooting.
- Enhanced inventory accuracy, improving supply chain efficiency.
- Delivered seamless IT support, boosting productivity across departments.
Education
Master’s Degree in Information Science (with Distinction) – Massey University, New Zealand (2024-02 – 2025-07)
Bachelor’s Degree in Electronics Engineering – National University of Singapore (2006-07 – 2010-06)
Diploma in Mechatronic Engineering – Temasek Polytechnic, Singapore (2000-07 – 2003-06)


