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International Energy & Climate Change lawyers

Our team consists of advisors who not only understand your industry, but also work on cutting-edge issues with leaders of energy companies, regulators, governments, industry bodies and investors, across the globe and at every stage of the energy lifecycle.

We are market-leading, global advisers on:

  • Oil & gas exploration and production
  • Mid-stream activities,
  • Traditional or newer electricity generation technologies,
  • Energy transition and climate change strategies
  • Energy efficiency
  • Project finance
  • M&A
  • Energy disputes
  • Regulatory and commercial issues

We aim to drive and facilitate the future of the energy sector and remain thought leaders, by combining our global experience in thought leadership, expert guides and regular LawNows.

Please get in touch with the Head of the global CMS Energy & Climate Change group below.

Here you can find a list of all lawyers globally:

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International desk


Language spoken


Manuel Branco
Portugal, Lisbon
Manuel Branco is a Trainee Lawyer in the Energy and Climate Change team, he develops his principal activity in the area of Energy Law.Trainee Lawyer at CMS Rui Pena e Arnaut since 2020
Dusan Bosiljanov
Attorney-at-Law for Energy and Employment
North Macedonia, Skopje
Dusan Bosiljanov is an attorney-at-law specializing on energy law. Bosiljanov provided expert assistance and legal advice to the largest petroleum company in the country concerning regulatory, corporate...
Derek Cameron
Derek Cameron
United Kingdom, Aberdeen
Derek Cameron joined CMS in 2000 and is a Consultant in the Energy, Projects and Construction Practice Group . He is admitted to practise in Scotland, England & Wales and specialises in commercial real...
United Kingdom
Juan Castro
Juan Castro
Tax Coordinator
Colombia, Bogotá
Juan is Tax Coordinator for the Firm in the Tax practice. He has more than 20 years of experience coordinating and advising accounting and tax processes and has advised national and international clients...
Igor Đorđević
Attorney-at-law for Energy, Banking & Finance, Projects and Infrastructure
Serbia, Belgrade
Igor Đorđević joined CMS Belgrade in January 2017 after graduating from the Faculty of Law of the University of Belgrade a year before. Prior to that he had completed a summer traineeship programme...
Picture of Tiago Graca
Tiago Machado Graça
Managing Associate
Portugal, Lisbon
Tiago Machado Graça has been developing his professional activity mainly on domestic and cross-border tax and investment matters involving Portugal and Portuguese speaking African countries with a special...
Georg Gutfleisch
Austria, Vienna
Georg Gutfleisch is an attorney-at-law in the Corporate Transactions/M&A Department. He advises national and international clients in all areas of corporate and company law, private equity transactions...
Martika Jonk
Advocaat | Senior Counsel
Netherlands, Amsterdam
Martika Jonk is an advocaat in our Corporate/M&A Practice Group. She assists mainly international clients with mergers, share and asset acquisitions and re-organisations. Martika also advises on...
Picture of Gabor Toth
Gábor Tóth
Senior Counsel
Hungary, Budapest
Gábor Tóth is a senior counsel and member of the Commercial and Corporate/M&A practice groups at CMS Budapest. As a native Hungarian and German speaker, he also supports the work of the CEE German...
Picture of Marija Marosan
Marija Marošan
Serbia, Belgrade
Marija Marošan mainly focuses on real estate law and can draw on several years of experience in advising international companies in Serbia and Montenegro on real estate law matters (especially drafting...