Our Team.

Jaap van den Broek

Founder. Deep Tech. Public & Private.

Jaap van den Broek is co-founder of De Zaak van Advocaten.

Jaap advises start-ups and investors with venture capital investment rounds, exits, and corporate governance issues. He advises on the intersection of public-private partnerships to make the Netherlands more prominent in the field of companies originating from scientific research and striving for societal impact. He has extensive experience with deep tech and bio-tech investments.

Jaap regularly publishes about new developments in this field, including in NRC and EW.

Jaap studied law and history at the Vrije Universiteit and the University of Amsterdam and has a cum laude LL.M. from the University of Glasgow.

Sophie Kuijpers

Founder. Governance. Sustainability.

Sophie Kuijpers is co-founder of De Zaak van Advocaten.

Sophie's expertise lies in sustainability developments within corporate law. She is convinced of the power of businesses to shape the new economy. Sophie is a co-author of the standard documentation for steward ownership companies. She regularly publishes and comments on sustainability developments.

Her determination for innovation in corporate governance is also reflected in her work as chair of the Blikverruimers foundation.

Sophie obtained her master's degree in Private Law Practice from the University of Amsterdam. She was a graduate exchange student at Brooklyn Law School.

Josephine Cleyndert

Associate. Venture capital. SaaS.

Josephine advises start-ups and investors on investment rounds, exits and acquisitions.

She also assists start-ups with preparing participation plans for management and employees. Josephine has extensive experience with investment rounds and exits at SaaS companies and industrial enterprises.

Josephine holds a Master of Laws in Corporate Law (LL.M) from Leiden University. She works from London and was registered as a lawyer with the Dutch Bar Association between 2017 and 2023.