Marthe is a member of the Investment Management practice group, where she works as counsel specialising in investment management. Her primary focus is on setting up and restructuring investment funds such as private equity funds, hedge funds, real estate funds and retail funds (both UCITS and non-UCITS). Marthe also advises asset management companies, pension funds and other institutional investors on various matters including discretionary and fiduciary asset management and asset-pooling transactions. Legal 500 has recognised her as a Rising Star within Investment Funds.

From 2013 to 2015, she was based at our London office.

Moreover, she served as Supervisor Pension Funds at the Dutch Central Bank. In addition, prior to returning to Houthoff, Marthe was Senior Legal Counsel at Robeco and Board Member of the Robeco Pension Fund.

  • LL.M. Dutch Law (University of Groningen)
  • LL.B. Dutch Law (University of Groningen)
  • Admitted to the Bar in the Netherlands in 2008

Expertises

Investment Management
Constantly changing domestic and foreign financial markets requiring flexible investment management approaches.
ESG & Sustainability
Behind the daily headlines on sustainability and environmental, social and governance (ESG) issues hide complex challenges such as permitting, subsidies, funding and reporting obligations. These matters affect the expectations and demands of all corporate stakeholders.
Pension challenges
With our multidisciplinary approach, we combine in-depth pension expertise with broad legal knowledge – delivering future-proof solutions to the pension challenges of today and tomorrow.
Investment Management
Constantly changing domestic and foreign financial markets requiring flexible investment management approaches.
ESG & Sustainability
Behind the daily headlines on sustainability and environmental, social and governance (ESG) issues hide complex challenges such as permitting, subsidies, funding and reporting obligations. These matters affect the expectations and demands of all corporate stakeholders.
Pension challenges
With our multidisciplinary approach, we combine in-depth pension expertise with broad legal knowledge – delivering future-proof solutions to the pension challenges of today and tomorrow.

Up and Coming

Chambers Europe

Investment Funds (2025 Edition)

"Marthe Bollen is incredible, she is focused and very knowledgeable. We always rely on her advice."

Chambers Europe

Investment Funds (2025 Edition)

Leading Associate

Legal 500

Investment Funds (2025 Edition)

"Marthe Bollen is a legal counsel within the investment management practice at Houthoff. She is easy to deal with, has an open mind and strong knowledge of AIFMD-regulated firms. She knows what we require from a regulator's perspective and delivers on that."

Legal 500

Investment Funds (2025 Edition)
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Publications

13 March 2025
13 March 2025
Factsheet Omnibus proposal
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