Cigdem Ersoy
London,United Kingdom
Summary
Gas trading professional with hands-on experience supporting European trading desks across P&L management, contract forecasting, and commercial optimisation. Strong track record of delivering tangible value through trading support, transport optimisation, and pricing activities. Experienced in market analysis, deal execution, and cross-functional coordination within fast-paced trading environments.
Overview
12
12
years of professional experience
Work history
Gas Trading Analyst
Shell
London, United Kingdom
05.2022 - 07.2026
- Delivered daily P&L reconciliation and variance analysis for a European gas portfolio (>10 TWh), providing visibility on portfolio performance and key drivers.
- Managed FX exposure (~$500m) for USD-denominated contracts, supporting hedging activities and minimising residual risk.
- Coordinated supply contract forecasts for 20+ TWh portfolio, achieving 13% YTD improvement in forecast accuracy through alignment of supplier inputs and internal assumptions.
- Supported trading desk operations, including pricing and deal execution (~40 GWh), contributing to P&L generation (€150k+ MtM) during trader cover periods.
- Optimised transport capacity utilisation, generating €90k+ through commercialisation of unused capacity.
- Developed automated reporting tools, saving 10+ hours per week and enhancing data visibility for trading decisions.
- Conducted market-focused analysis on gas flows and infrastructure developments to support commercial decision-making.
Corporate Reporting Analyst
Shell
Istanbul, Turkey
09.2019 - 05.2022
- Produced group and statutory financial reports, providing accurate insights to support business planning and decision-making.
- Coordinated internal and external audits, ensuring compliance and reducing financial risk exposure.
- Contributed to finance transformation projects, enhancing reporting processes and strengthening internal controls.
- Supported credit management activities, managing customer and supplier guarantees to safeguard financial interests.
Retail Operations Specialist
Shell
Istanbul, Turkey
08.2016 - 09.2019
- Led process improvement and digital initiatives to enhance operational efficiency across retail operations.
- Supported operational and financial performance across large retail network (1,000+ sites), driving commercial delivery and maintaining service standards.
- Facilitated credit risk processes and informed financial decision-making for retail partners.
Researcher, ALICE Experiment
CERN
Geneva, Switzerland
01.2015 - 04.2015
- Executed statistical analysis and modelling on high-energy collision data, enhancing understanding of fundamental particle interactions within ALICE experiment.
- Collaborated with international research teams, yielding data-driven scientific insights that advanced knowledge in particle physics.
Education
M.Sc. - Energy Technologies & Management
Sabanci University
IstanbulM.Sc. - Physics Engineering
Istanbul Technical University
IstanbulB.Sc. - Physics
Yildiz Technical University
IstanbulSkills
Commercial & Trading Analytical
- P&L analysis & FX exposure management
- Deal support, pricing & contract forecasting
- Storage & transport optimisation
- Market analysis (flows, supply–demand)
Analytical
- Python (pandas – working level)
- Data analysis, reporting & visualisation
- Process improvement & automation
Projects
Market Analysis Project – Turkey Gas Market
- Analysed supply–demand dynamics using historical data on storage, demand, and cross-border flows.
- Identified key drivers of market movements through trend analysis and cross-source data comparisons.
- Used Python (pandas) to structure and analyse datasets, improving efficiency in data handling and analysis.
Ukraine Transit Expiry Scenario Analysis (2025 onwards)
- Conducted scenario analysis on European gas supply following potential transit cessation, evaluating alternative routes (LNG, TurkStream, Vertical Corridor) and implications for regional balance and flows.
Neptun Deep – Transport & Capacity Analysis
- Evaluated cross-border transport options for Neptun Deep gas, analysing capacity constraints and cost dynamics across CEE markets
Timeline
Gas Trading Analyst
Shell
05.2022 - 07.2026
Corporate Reporting Analyst
Shell
09.2019 - 05.2022
Retail Operations Specialist
Shell
08.2016 - 09.2019
Researcher, ALICE Experiment
CERN
01.2015 - 04.2015
B.Sc. - Physics
Yildiz Technical University
M.Sc. - Physics Engineering
Istanbul Technical University
M.Sc. - Energy Technologies & Management
Sabanci University