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).
Experience & capabilities
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
- working with Legal Response International on advice to Burkina Faso on Article 6 of the Paris Agreement
- The Government of Sierra Leone on the establishment of a carbon market mechanism in accordance with the framework created under Article 6 of the Paris Agreement
- 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
Jannis has been attending the last three COPs (Conference of the Parties: 28, 29 and 30) to work with LRI on advising developing and least developed countries in the UN climate negotiations.
Sectors
Background
Jannis is recognised as a Leading Associate and Green Ambassador for 2026 by Legal 500.
He 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.
Publications
- '5 Key Takeaways from COP30', ICA member magazine - INcompliance, 2026
- 'Integrating greenhouse gas removals into the UK ETS' (Co-authored with Silke Goldberg and Zoe Asher) 33 Environmental Law & Management 174, 2026
- 'Beyond COP30: The Road Ahead for Climate Change' Law.com, 2025
- 'AI's role in climate change: problem or solution?' Environmental Finance, 2025
- 'African carbon markets post COP29 – where to from here?' (Co-authored with Ernst Mueller) IFLR, 2025
- 'Navigating rapidly increasing ESG disclosure requirements: 2025 outlook' ICA, 2024;
- 'ESG issues in M&A deals: adapting to the new climate', (Co-authored with Julie Farley and Lerryn Martin), Practical Law, 2024;
- 'Corporate sustainability due diligence: Why the finish line is just the beginning of the race' (Co-authored with Antony Crockett) PA Future, 2024;
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