Mariska is head of our Financial Markets Regulation practice and co-head of our Financial Institutions group. She focuses on matters of strategic importance to financial institutions in both advisory and transactional matters. Mariska has a specific focus on private equity-related matters, governance, regulatory capital, recovery and resolution.

Mariska regularly advises financial institutions including banks, insurance companies and payment institutions on topics like structuring and restructuring, governance and conduct of business, as well as on dealings with the regulators. In addition, she is frequently involved in M&A transactions and negotiations regarding investments and divestments, including for private equity clients.

As part of De Brauw's corporate practice, Mariska also advises regulated clients on corporate structuring and governance.

Legal 500 named Mariska a Next Generation Partner for the investment management sector in 2026.

Chambers ranked Mariska for the Investment Management funds sector 2026.

Mariska ranked as Leading Partner Financial Services Regulatory 2026.

Her recent work includes advising:

• Achmea on the joint venture and asset management agreements with Sixth Street
• Aegon, FlowTraders and IMC on the update and relocation of their holding structures
• Aegon on the asset management and regulatory aspects of its business combination with a.s.r.
• DIF on the structuring and fundraisings for its DIF VI, DIF VII and CIF III funds and accompanying co-investment vehicles
• Leading infrastructure manager DIF Capital Partners on the sale of the business to CVC Capital Partners
• NN on the sale of NNIP to Goldman Sachs and the entry into a long-term strategic partnership agreement
• Waterland on the closing of its latest flagship fund and on general regulatory matters
• Confidential governance and remediation trajectories for regulated entities