Summary
Overview
Work history
Education
Skills
Timeline
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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, Turkey

M.Sc. - Physics Engineering

Istanbul Technical University
Istanbul, Turkey

B.Sc. - Physics

Yildiz Technical University
Istanbul, Turkey

Skills


  • 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

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Cigdem Ersoy