Achilleas has since 2020 supported sustainability transformation for the PPC Group - Greece’s largest power supplier, aiming to create both business value and sustainable impact. As PPC Director of Sustainability since October 2021, Achilleas and his team promote the company’s evolving transition toward a sustainable business model, with a mission to enable influential structural change. He is responsible for embedding sustainability and circular economy principles in the Group’s strategy and operations in decarbonization and response to climate change, nature-positive operations, and socio-economic shared value creation. Achilleas and his team are also responsible for the improvement of ESG reporting for the PPC Group, and bridging the needs and interests of external and internal stakeholders with the Group’s deliverables.

Prior to joining the PPC Group, Achilleas worked in both private and public sector organizations for fifteen years, participating in efforts that helped shape Greece’s global image through media, fostering synergies between the Greek State and NGOs, and running a tourism sector startup based on circular model principles. Achilleas has participated in the Greek delegation that brought the Stern Exhibition on "The Economics of Climate Change” to Greece in 2007, and was a founding member of the Zita Association, which aimed to develop indicators for the evaluation of state power and administration in terms of quality, efficiency, and effectiveness.

Achilleas holds a BSc in Business Administration from the University of Piraeus, an MSc in Marketing from Stirling University, and an MSc in Politics & Communication from the London School of Economics. A lifelong learner, Achilleas has successfully completed the United Nations System Staff College’s Circular Economy and the 2030 Agenda courses, as well as the Cambridge Judge Business School’s Circular Economy and Sustainability Strategies Executive Program. He has also recently completed the six month SDG Ambition accelerator program by UN Global Compact Academy, which helps companies embed SDG ambition benchmarks relating to their impact on the ecosystem, into their strategy. A lifelong learner in theory and in practice, Achilleas is sharing his knowledge and expertise in sustainability transformation and ESG reporting and strategy, as a speaker in conferences and events focusing on relevant topics by promoting SDGs and the sustainability agenda.