Cigdem Ersoy
London,UK
Summary
Gas Trading Analyst with 3+ years' experience in European natural gas markets, supporting trading desks across PnL reconciliation, FX risk management, supply contract forecasting, storage/transport optimisation, and market analysis. Proven record of delivering commercial value (€150k+ M2M PnL, €90k+ transport value recovered) and improving forecast accuracy (+13% YTD). Growing technical expertise in Python, automation, and time-series analysis, with academic background in energy technologies and physics engineering.
Overview
11
11
years of professional experience
Work history
Gas Trading Analyst
Shell Energy Europe
London, UK
05.2022 - 09.2025
- PnL & FX Exposure Management: Deliver daily PnL reconciliation for a European gas portfolio (>10 TWh across 5+ markets), surfacing €k-€m forecast-to-actual variances. Manage $500m+ FX exposure for USD-denominated contracts, executing hedging strategies to minimise residual risk.
- Supply Contract Forecast Alignment: Coordinate delivery forecasts from upstream suppliers under a 20+ TWh multi-year gas supply portfolio. Ensure accurate integration of supplier-provided volumes and internal assumptions into the risk management system, improving forecast accuracy from 86% to 99% YTD.
- Storage & Transport Optimisation: Manage nominations for 9+ TWh of storage capacity across 2 markets, ensuring operational accuracy in internal systems and valuation models. Unlock additional value by commercialising 69 GWh of unutilised transport capacity, recovering €90k+.
- Trading Desk Coverage: Cover the Spanish aggregator desk during trader absences, originating and negotiating 12 brokered deals (~40 GWh) and generating €150k+ M2M PnL. Deliver indicative pricing and secure approvals under tight deadlines.
- Market Fundamentals Projects: Conduct scenario analysis on Russia-Ukraine gas transit (including the Vertical Gas Corridor, TurkStream, and LNG import dynamics) and Central Eastern European cross-border capacities (in relation to Neptun Deep field), informing strategic desk positioning.
- Process Automation & Analytics: Contribute to process efficiency by designing an automated index exposure reporting tool (saving 10+ hours weekly). Currently developing Python models for Spain-France cross-border flows, applying rolling averages, trend decomposition, and basic forecasting techniques.
Corporate Reporting Analyst
Shell Energy
Istanbul, Turkey
09.2019 - 05.2022
- Produced fiscal and group-level financial reports, providing accurate insights to support business planning and decision-making.
- Coordinated local and external tax audits, ensuring compliance and mitigating financial risk.
- Contributed to local and global finance transformation projects streamlining reporting and controls.
- Supported credit management activities, including customer and supplier bank letter of guarantees
Retail Operations Specialist
Shell & Turcas A.S.
Istanbul, Turkey
08.2016 - 09.2019
- Managed operational and financial performance for 1,000+ retailers, ensuring delivery of Shell’s commercial and service standards.
- Supported credit risk assessments and provided financial solutions to retailers, safeguarding portfolio stability.
- Led e-Commerce initiatives for Retail Operations, driving digital adoption and process efficiency.
- Acted as Continuous Improvement focal point, implementing initiatives that enhanced operational efficiency and reduced errors.
Research Assistant, ALICE Experiment
CERN
Geneva
01.2015 - 04.2015
- Conducted statistical-thermal model analysis on hadron yields in high-energy collisions.
- Collaborated with global physics working groups.
Education
M.Sc. - Energy Technologies & Management
Sabanci University
Istanbul, TurkeyM.Sc. - Physics Engineering
Istanbul Technical University
Istanbul, TurkeyB.Sc. - Physics
Yildiz Technical University
Istanbul, TurkeySkills
- PnL management
- FX risk management
- Supply contract forecasting
- Storage optimisation
- Gas market analysis
- Market strategy support
- Data visualisation & automation
- MS Office
- Python
- Gas market analysis
- CI Practitioner (Green Belt)
Timeline
Gas Trading Analyst
Shell Energy Europe
05.2022 - 09.2025
Corporate Reporting Analyst
Shell Energy
09.2019 - 05.2022
Retail Operations Specialist
Shell & Turcas A.S.
08.2016 - 09.2019
Research Assistant, ALICE Experiment
CERN
01.2015 - 04.2015
M.Sc. - Energy Technologies & Management
Sabanci University
M.Sc. - Physics Engineering
Istanbul Technical University
B.Sc. - Physics
Yildiz Technical University