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Jannis is UK Head of ESG and a member of our Global Corporate Energy team, specialising in Sustainability and Energy Transition, advising clients across various sectors on ESG and climate change issues, as well as supporting them on domestic and international power projects and energy and infrastructure developments. 

Contact details when in Düsseldorf (+49 211 975 59217).



Jannis is a solicitor qualified in England, a member of the Irish Law Society and currently in the process of being accredited in Germany. He advises in English and German. 

Jannis is native German, speaks fluent English and conversational French and Spanish.  

Experience & expertise

Selected matters

  • several multinational organisations on the legal requirements arising from the CSRD, ESRS, ISSB's standards, the EU Taxonomy, as well as the TCFD and TNFD
  • a large number of listed companies (FTSE 100, FTSE 250) and non-listed companies on climate related disclosures in their Annual Reports
  • The International Council on Mining and Metals on its Scope 3 Target Setting Guidance and Nature Position Statement
  • National Grid in relation to the nationalisation of the Electricity System Operator (NGESO) by the UK Government
  • a multinational company on the expansion of the EU ETS and the implementation of the EU CBAM