Marc Grüninger

Attorney at Law, M.C.J.



Detailed CV

Practice Areas


Professional Profile

Marc Grüninger is a founding partner of GHR Rechtsanwälte AG and vice-chairman of the firm’s board of directors. He co-heads the Corporate/M&A practice and heads the Energy and Natural Resources practice.

Marc Grüninger focuses on domestic and cross-border, private and public M&A, joint ventures, private equity transactions, and corporate finance, including debt financing, securities offerings, syndicated, structured and collateralized lending. He also specializes in advising companies active in regulated markets, such as energy and natural resources. He acts as an arbitrator (including ICC, ICSID, Swiss Chambers' Arbitration Institution).

From 2002 to 2017, Marc Grüninger was chairman and member of the boards of directors of Cemex Research Group and other companies of the CEMEX Group, a global producer and marketer of cement and ready-mix products listed on the NYSE (NYSE: CX).

Marc Grüninger has been and is consistently recognized by independent leading law directories with respect to his practice and expertise. He is ranked in Chambers and Partners for corporate/M&A as well as in The Legal500 for commercial, corporate and M&A. Marc Grüninger is recommended by BestLawyers in Switzerland for his M&A work and is recognized by Who's Who Legal (WWL) among the ten most highly regarded energy and natural resources lawyers in Switzerland and among Switzerland’s leading experts in business law. In February 2020, he was honored as Energy Lawyer of the Year at the Who’s Who Legal Switzerland Awards 2020 in Zurich. In April 2021, he was again recognized by WWL as Switzerland's Lawyer of the Year for Energy Law. In addition, he is ranked by WWL as Global Elite Thought Leader-Energy 2021 and is recommended as National Leader-Switzerland 2021.


Career and Education


Partner at GHR Rechtsanwälte AG
Associate at EY
Associate at a Zurich law firm


New York University School of Law (M.C.J.)
Bar admission
University of Bern (Rechtsanwalt)


German, English, French, Italian



Memberships and Activities


Swiss Bar Association SAV
Zurich Bar Association ZAV
Swiss Arbitration Association ASA


Member, Executive Committee, Energy Law Group (ELG)
Chairman, Executive Committee, Lawyers Associated Worldwide (LAW)
Member, Board of trustees, Stiftung für Rheumaforschung, Zurich
Chairman, Board of directors, Cemex Swiss Holdings AG
Vice-chairman, Board of directors, GHR Rechtsanwälte AG
Chairman, Board of directors, Cemex Research Group AG
Chairman/Vice-Chairman, Board of directors, Cemex Trademarks Holding Ltd.
Chairman, Board of directors, Cemex Trademarks Worldwide Ltd.




Marc Grüninger is a co-author of the Basel Commentary on the Swiss Code of Obligations (Basler Kommentar, Obligationenrecht II, Honsell/Vogt/Watter, 1st, 2nd, and 3rd editions, Helbing Lichtenhahn, 1994 -2008) and on Swiss securities law (Basler Kommentar, Wertpapierrecht, Honsell/Vogt/Watter, Helbing Lichtenhahn, 2012).

He has also contributed to legal publications on renewable energy and public service obligations (International Energy Law and Taxation Review, Sweet & Maxwell) as well as on the Swiss electricity and gas markets (European Energy Journal, Claeys & Casteels).