Leonidas Spiliopoulos

Leading Wattstor’s expansion into energy trading, service, and AI-enabled product capabilities. • Establishing and scaling an electricity trading desk for Great Britain and Central European power markets. • Driving the billing and settlement processes for Price Protect family of tarifs in Great Britain and Germany. • Defining and delivering a new suite of products to expand Wattstor’s Operation & Maintenance contracts. • Integrating generative AI to scale and enhance Wattstor’s Price Protect solution.

• Leader of a 30 people strong team • Create and evolve a SaaS suite of data products for energy market fundamentals. • Partner of Power, Gas and Weather market analysis heads. Closely work to define product roadmaps for more data, in house analytics and increased intelligence. • Accountable for all product features, governance, budget tracking, audit controls and staffing.

• Defined, roadmap-ed, and delivered the suite of products that enable the trading and operation of a 50MW battery asset, co-located with a wind farm. Focus on market accessibility, trading optimisation, automation of operations. • Enabled the trading desk to access the Dynamic Containment market and tap into additional revenue streams by introducing all relevant IT systems and processes. • Accountable for the modernisation of the Decision Support Tools that enable the power trading desk to combine demand, generation, market & system information and maximise the value of their assets. • Created Artificial Intelligence product that forecasts imbalance prices, helping the power trading desk make informed and accurate decisions. • Increased efficiency by introducing auto trading services for the spot and auction markets.

• Accountable for the $2m automation of control processes using Robotic Process Automation (RPA) technology. Led opportunity identification and delivery of automation, coordinating four business functions and two system integrators across three entities. • Led all design and testing streams of the $10m physical oil transformation program. Managed a team of 20+ analysts and testers, while facilitating collaboration amongst two system integrators, senior management & the user community. • Played pivotal role in the change management process, having delivered training and business support for the entire physical trading business, supporting 200+ business users.

● Lead business analyst of process & systems integration between the European and the US entities for Gas & Oil. Planned and delivered user training and acceptance testing coordinating a team of 4 analysts. ● Owner of continuous system improvement for the Front Office and Market Risk functions, maintaining and prioritising the backlog of issues & features. Responsible for planning, quality assurance and continuous user support. ● Chief analyst for the design of oil ETRM implementation. Chaired design round table workshops, responsible for key design decisions and defined end to end workflow. ● Created new capabilities by introducing a new interface between ETRM systems and Matlab (MaaS). Enabled the Market Risk team to utilise existing in house algorithms and reduced the need for custom expensive solutions.

● Redesigned the End of Day process to introduce parallel processing and operating flexibility. The exercise resulted in performance gains up to 50% and increased user satisfaction. ● Experienced in the modelling and valuation of complex & structured products. Expert in Greeks, PNL Explained, FX, and storage valuation. ● Successfully led the version upgrade of the Endur ETRM system, coaching testers, & driving conversations with the software vendor for the timely resolution of core product issues. ● Owned the design and delivery of real time reporting for Gas trading. Worked side by side with traders to create and test position & PNL reports.

● Expert in Aligne ETRM system, with special focus on the TRM Report designer & Gas Operations modules, placed on projects across Europe. ● Lead consultant for the Gas Trading & Operations project delivering deal capture, formula pricing, short- and long-term scheduling, historical & Monte Carlo VaR. Built excellent relationships with key business stakeholders, allowing for smooth flow of information. ● Turned around Gas Operations project by re-engaging business users, re-energising the delivery team and leading by example. Introduced processes to ensure quality assurance of deliverables, transparency & communication. ● Set up standard product packaging for streamlined implementation of the European Gas trading, allowing for faster and better delivery.

● Top graduate; key member of project teams within 6 months of joining ● Ran workshops for the design of the Back Office trading processes, including process workflows, confirmations and invoicing. Produced functional specifications, reviewed with business users, system integrators & technical experts ● Worked closely with the business users for the design and delivery of APM reporting, EOD processes, pricing curves & risk checks for physical power and emissions.