Pierre-Olivier Mahieu

Pierre-Olivier Mahieu focuses his practice on mergers and acquisitions, private equity, and equity capital market transactions. He advises local and international clients on inbound and outbound transactions and has more than 25 years of experience in Belgian, European, and other cross-border transactions. He is regularly praised by top legal directories such as Chambers, "he has the charisma to excel in difficult situations with highly demanding counterparts," and The Legal 500, a "prolific senior dealmaker."

Pierre-Olivier has represented clients in various sectors, including the life sciences, retail, aerospace, technology, energy, private equity, and banking and insurance industries.

He recently advised LDz Group (formerly Louis Delhaize, a French-Belgian retailed) in the sale of hypermarket chain Cora to Mitiska REIM; Brussels Airport Company on the indirect transfer of 39% of its shares from Ontario Teachers' Pension Plan to Flemish government agency PMV; the Riverside Company on the sale by its portfolio company, A.forall, of its Retail & Hospital (R&H) business unit to Abacus Medicine; and Lavafields Group, a Belgian household appliances manufacturer, on the acquisition of Magimix, a French cookware company, from its existing shareholders (including Ardian).

Prior to joining Jones Day in 2025, he worked with the European Payments Initiative (EPI), an initiative of 16 European financial institutions, on their acquisition of the leading Dutch payment scheme Currence iDEAL and the Luxembourg-based payment solution provider Payconiq International, from their current shareholders. He also represented Mithra Pharmaceuticals SA, a Belgian-listed health care company, on the distressed €175 million sale of its main assets to Gedeon Richter under pre-pack bankruptcy proceedings.