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Marc Feider

Of Counsel


Marc Feider
Marc Feider

Of Counsel


Marc headed the Luxembourg Corporate/M&A practice until the beginning of 2020. He specialises in mergers and acquisitions, securities and stock exchange-related work, takeovers and joint ventures.

He has more than 35 years of experience advising clients across all sectors, particularly financial institutions, private equity, real estate, insurance, energy, communications, media and technology.

Marc is a member of the American Chamber of Commerce in Luxembourg (AMCHAM), the American Business Association of Luxembourg, the Luxembourg Banking Lawyers Association (ALJB), the International Bar Association (IBA), the International Association of Lawyers (UIA) and a founding member of the Luxembourg Arbitration Association (LAA). He is also amongst others a member of the board of directors of the Luxembourg Directors' Institute (ILA).

Marc was a corporate partner of Allen&Overy from 2000 to 2020. He acted from 2000 to 2008 as the Managing Partner of the Luxembourg office of Allen & Overy and as its Senior Partner from 2008 to 2018.

As from 1 May 2020 he is an of counsel of the corporate department of Allen & Overy. Marc is based in Luxembourg.



Corporate and M&A

Private Equity



5 Avenue John F. Kennedy, L-1855 

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Admitted as avocat à la Cour, Luxembourg, 1988

Admitted as avocat, Luxembourg, 1985


Maîtrise, Law, University of Strasbourg, 1985

Pro bono

  • ALAN a.s.b.l., Maladies rares, board member
  • Comité National de la Défense Sociale a.s.b.l., board member
  • Wonschstär, foundation, vice-chair