Maria Ioannou

Maria Ioannou

Athens, Greece

Dr Ioannou advises on matters pertaining to EU, international and Greek environmental and energy law as well as corporate and commercial law and project financing.

Senior Associate of the Rokas Energy Team. Practice areas span energy regulatory and transactional issues (renewable energy and gas projects, energy market participation issues), infrastructure and large-scale investment projects as well as environmental compliance and project environmental licensing, environmental liability and sustainability issues.
Focused on advising MNEs active in Greece as well as public entities on project development, due diligence checks, M&As, JVs, financial instruments and related matters such as state aid and public procurement issues. Holder of PhD in Environmental Law and Economics. 


  • Directive 2004/35/EC - Environmental Liability Directive
  • Environmental impact assessment
  • Environmental protection
  • ESG
  • European Green Deal
  • Regulation (EU) 2018/1999 - Governance of Energy Union and Climate Action Regulation
  • Treaty on the Functioning of the European Union
  • Construction
  • Corporate Finance/M&A
  • Energy & Natural Resources
  • Environment & Climate Change
  • Projects & Procurement
  • Real Estate


  • English - Native/bilingual
  • Greek - Native/bilingual
  • German - Working proficiency
  • Spanish - Conversational

Qualified in

  • Greece