Guillaume Bonnard


Guillaume Bonnard
Guillaume Bonnard is a corporate partner based in the Paris office. His practice focuses on corporate transactions, with particular emphasis on private equity and mergers and acquisitions. He joined the Firm in 2012.

Guillaume graduated from ESCP Business School (Grande Ecole) in 2010 with a specialization in finance and attended KAIST MBA courses in Seoul (South Korea). He also received a Master’s degree in Financial Law (Master II Recherche - Droit Financier, with honors) from the University of Paris 1 Panthéon-Sorbonne in 2011.

He is a member of the Paris Bar. His native language is French and he is fluent in English.


  • Ace Management on the acquisition of Aries Alliance
  • Apax Partners on the acquisition of Groupe Crystal
  • Téthys Invest on its investment in Galileo alongside CPPIV, Montagu and Bpifrance
  • Ceva’s management on the reorganization of its shareholding structure in 2019
  • Ardian Buyout on the acquisition of Staci from Cobepa and SGCP
  • Apax Partners on the sale of Melita to EQT
  • Ardian Buyout on the acquisition of Revima from Argos Wityu
  • Montagu PE on the sale of Nemera to Astorg (and subsequent reinvestment)
  • Advent International on the sale of Mondo Minerals to Elementis plc
  • L-GAM on the sale of Jardiland to Union InVivo Sagard on the disposal of Alvest to CFPQ (and subsequent reinvestment)
  • Montagu PE on the acquisition of Aqualung from Air Liquide
  • Alstom on the sale of its energy business to General Electric
  • Apax Partners on the acquisition of Melita from GMT Communications and Blackrock
  • Sagard on the acquisition of Alvest from LBO France

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