Forvis Mazars appoints three new Partners in Belgium
1 September 2026
Tags
People & culture
Forvis Mazars in Belgium is pleased to announce the appointment of Jurgen Ostyn, Martine Vermeersch and Frederik Wagemans as Partner in Belgium, effective 1 September 2026.
These appointments reflect their proven expertise, leadership and continued commitment to clients, colleagues and the further development of the Belgian practice. They also underline Forvis Mazars’ commitment to recognising talent, developing leaders from within and investing in the long-term growth of the firm.
Jurgen, Martine and Frederik have each built a strong track record within Forvis Mazars in Belgium and will continue to play an important role in strengthening the firm’s audit practice, supporting clients in an increasingly complex environment and contributing to the development of future talent.
Jurgen Ostyn
Jurgen Ostyn brings pragmatic audit expertise, a strong client focus and a passion for building trusted relationships that create sustainable value. As Partner in Belgium, he will continue to support clients through their most important opportunities and challenges, strengthen the firm’s market presence and promote innovation and technology to enhance service quality and efficiency. He is equally committed to developing the talented professionals who will shape the future of Forvis Mazars in Belgium.
Martine Vermeersch
Martine Vermeersch is recognised for her dedication to audit quality, client trust and the development of future talent. As Partner in Belgium, she will continue to deliver value-added audits, support and train new joiners, and fulfil her responsibilities as Country Acceptance Officer. She will also continue to promote a culture built on integrity, teamwork and an unwavering commitment to quality.
Frederik Wagemans
Frederik Wagemans combines deep audit experience with a strong focus on innovation, technology and the responsible use of artificial intelligence. As Partner in Belgium, he will continue to help teams embrace smarter ways of working, strengthen audit quality and use technology to generate deeper insights and more meaningful support for clients. He is equally committed to creating an environment in which people can develop and thrive.
“We are proud to welcome Jurgen, Martine and Frederik as Partners in Belgium. Their appointments recognise their individual achievements, their strong contribution to our clients and people, and their role in the continued development of Forvis Mazars in Belgium,” says Romuald Bilem, Country Leader, Forvis Mazars in Belgium.
Forvis Mazars congratulates Jurgen, Martine and Frederik on this important milestone and wishes them every success in their respective roles as Partner in Belgium.
Contact
Jurgen Ostyn Partner | Audit - Brussels
Martine Vermeersch Partner | Audit - Ghent
