Mr Olivier Clevenbergh > Strelia > Brussels, Belgium > Lawyer Profile


Work Department

Corporate M&A and Dispute Resolution


Olivier Clevenbergh is partner in the corporate & finance practice. He also handles dispute resolution matters and is currently the firm’s managing partner.

Olivier is an expert in national and international acquisitions, dispositions of shares and assets, private equity and venture capital transactions, mergers, and joint ventures. He has specific expertise in commercial contracts. Moreover, he is a renowned legal specialist in franchising.

Olivier combines his transactional practice with a contentious practice covering the same types of matters. He therefore also represents clients in commercial and corporate litigation before Belgian courts and arbitration tribunals.


Before becoming a founding partner of Strelia in January 2013, Olivier Clevenbergh was a partner at Stibbe from 2000, heading the Corporate & Finance team. In addition to his client activities, Olivier was Managing Partner of Stibbe Brussels from 1 January 2005 until 30 June 2011. He was the Secretary General of the Alliance between Herbert Smith, Gleiss Lutz and Stibbe until 31 December 2011.


French / English / Dutch


Brussels Bar (1989), Solicitor to the Supreme Court of England and Wales (1995).


Main secondary school attended: Collège Don Bosco Universities and colleges attended: Université Libre de Bruxelles (degrees and qualifications with years attained): Law degree (magna cum laude each year); Special degree in economic law (magna cum laude each year)



Lawyer Rankings

Belgium > Commercial, corporate and M&A

Strelia is a boutique focused on corporate transactional and advisory work, alongside contentious matters. The team advises prolifically on domestic M&A, and is increasingly active on cross-border deals, with the M&A offering bolstered by the arrival of Katrien Vorlat from Monard Law in September 2021. Alongside its corporate work, practice head Olivier Clevenbergh has a strong specialism in the retail sector, advising major European players on commercial agreements and operational issues. Gisèle Rosselle handles domestic and cross-border deals, with a particular focus on the tech sector.

Belgium > Dispute resolution

Strelia fields a strong bench of partner talent, with the team acting for clients active in a diverse range of sectors in numerous disputes, both domestically and internationally. The group is noted for its prominent arbitration practice, where Jean-Pierre Fierens – who is regularly appointed as chair in CEPANI and ICC proceedings – and newly appointed partner Joanna Kolber are both key contacts. Olivier Clevenbergh is noted for his capabilities in construction litigation  and Sébastien Ryelandt is a key contact for clients seeking representation in liability claims and concession agreements.

Belgium > Industry focus: Retail

Led by cross-border franchising specialist Olivier Clevenbergh, Strelia regularly acts for franchising, distribution, and commercial real estate actors from Belgium and beyond. In recent months, the team has handled commercial partnership terminations, master franchise agreements, and disputes regarding various breaches of contract, including distributorships and events-based projects in the high fashion space. Clevenbergh is also known for his transactional expertise, assisting various supermarkets and apparel chains with their expansion efforts. Jean-Pierre Fierens is widely regarded for his capabilities as an arbitrator and litigator in distribution law cases and franchising agreements. Joanna Kolber and Gaetano Jannone are also noted.