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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


Jorge Allende Destuet
Jorge Allende D., LL.M.
Chile, Santiago
Jorge is part of the Infrastructure & Projects Group at CMS Chile. He focuses on mergers and acquisitions, capital market operations, and private equity. He counsels international clients on matters of...
Jorge Allende Z.
Chile, Santiago
Jorge is a senior partner in the Corporate/M&A Group at CMS Chile. He is  highly active in financing and M&A operations for aquiculture, concession, mining, and electrical generation/transmission companies. ...
Babita Ambekar
Head of India Desk, Singapore
Babita is a partner, based in our Singapore office, specialising in cross border M&A, capital raising, new market entry, joint ventures and restructurings across Asia Pacific.Babita has an established...
Carolin Armbruster
Dr. Carolin Armbruster
Germany, Stuttgart
Carolin Armbruster advises on national and international M&A transactions and projects. She has a focus on the energy sector, both with respect to conventional and renewable energy sources. Her corporate...
Felipe Arze Abogado Corporativo
Luis Felipe Arze, LL.M
Chile, Santiago
Luis Felipe is co-head of the Infrastructure & Projects Group at CMS Chile. His knowledge and experience in matters of engineering and construction have lead him to represent several of the area’s most...
Picture of Phillip Ashley
Phillip Ashley
United Kingdom, London
Phillip Ashley is a partner who "specialises in contentious matters relating to the oil and gas and power sectors" and has advised on "matters relating to oil and gas investments in every continent except...
Fraser Askham
Fraser Askham
United Kingdom, Sheffield
Fraser has 23 years of experience, which he uses to help clients resolve disputes and successfully deliver construction, engineering, energy and climate change, infrastructure and waste projects, within...
Picture of Augusto Astorga
Augusto Astorga
Peru, Lima
Augusto is partner of the Energy, Oil & Gas CMS Grau practice area. Augusto has extensive experience in the hydrocarbon sector in Peru, providing advice to companies in all phases of this activity in...
Picture of Hrvoje Bardek
Hrvoje Bardek
Croatia, Zagreb
Hrvoje Bardek is partner at law firm Bardek, Lisac, Mušec, Skoko in cooperation with CMS Reich-Rohrwig Hainz. Hrvoje co-heads the energy group and provides daily legal support for conventional and renewable...
Christophe Barthelemy
Christophe Barthélemy
France, Neuilly-sur-Seine
Christophe Barthélemy joined CMS Francis Lefebvre Avocats in October 2008 as a partner with primary responsibility for developing the Energy unit within the Public Business Law team.