20/01/25

New partner for Jones Day's corporate practice in Brussels

The global law firm Jones Day announced today that Pierre-Olivier Mahieu has joined as a Partner in its Corporate Practice. Mr. Mahieu is based in Jones Day’s Brussels Office.

Mr. Mahieu has 30 years of experience advising clients in mergers and acquisitions, private equity,  and equity capital market transactions. He has worked on a number of significant deals in the banking, fintech, life insurance, retail, aerospace, and energy industries, and he has been recognized by Chambers & Partners and Legal 500 for his excellence in negotiating and closing important corporate transactions. Mr. Mahieu counsels both local and international clients on Belgian, European and cross-border transactions. 

“Pierre-Olivier has spent more than three decades working as a respected corporate lawyer in Belgium, and during that time he has served as the lead attorney on some of the most significant M&A deals and private equity transactions in Europe,” said Vica Irani, Co-Leader of Jones Day’s Corporate Practice. “This depth of experience is an important addition to our group’s European capabilities and I am pleased to welcome him to Jones Day.” 

At Jones Day, Mr. Mahieu joins the Firm’s global Corporate Practice, which encompasses M&A and Private Equity. In the last five years, Jones Day has advised clients on more than 3,000 M&A transactions collectively valued at $1.5 trillion, and many of the world’s leading private equity funds are counseled by Jones Day in the full range of corporate transactions.

“Pierre-Olivier is a highly respected corporate and M&A lawyer here in Brussels and is regarded as one of the leading senior dealmakers in our region,” said Alexandre Verheyden, Partner-in-Charge of Jones Day’s Brussels Office. “Pierre-Olivier’s arrival at Jones Day strengthens our team of corporate lawyers who are experienced in local, European and international transactions, including M&A, capital markets and private equity deals. I am delighted to welcome him to our office and look forward to his contributions to the firm.”

Mr. Mahieu recently advised a European financial institution in an acquisition of two payment solutions providers from a number of EU banks, the acquisition of a EUR 3.3 billion life insurance portfolio by a Belgian insurance company, the sale of a French motorcycle parts distributor to a U.S.-based engineering products company, EUR 175 million sale of the main assets of a distressed Belgian pharma company to an EU pharma group under pre-pack bankruptcy proceedings, and a capital raise of EUR 40 million for a Belgian industrial machine health company. 

He earned an undergraduate degree from Facultés Universitaires Saint-Louis, a law degree from Université Catholique de Louvain, and an LLM degree from the University of Virginia. Mr. Mahieu is fluent in French, Dutch, English and Spanish, and has a basic knowledge of Mandarin.

“Jones Day’s Corporate Practice includes accomplished lawyers around the world who collaborate to advise on some of the most consequential private equity and M&A deals every year,” said Mr. Mahieu. “This global leadership in corporate transactions and the Firm’s strong culture of focusing on client service excellence were very compelling draws for me at this stage of my career. I am pleased to join Jones Day and to be working alongside my new colleagues.”

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