Sietske acts for leading healthcare institutions, insurance companies, investors, and life sciences businesses active in medical devices, (bio)pharma, diagnostics, cosmetics, nutritionals, suppliers, biotech, medtech, and healthtech. She regularly advises these parties and frequently represents them in litigation.

Before focusing on dispute resolution, Sietske gained experience in the Energy & Infrastructure sector. She advised on project development, domestic and international mergers and acquisitions (M&A), corporate governance, and joint ventures. Her work included transactions involving offshore and onshore wind, solar energy, gas, and hydrogen.

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Memberships

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Dutch Bar Association
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Qualifications

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LL.M. Corporate Law, VU Amsterdam
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Exchange program, University of New South Wales (Sydney)
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LL.B. Dutch Law, Erasmus University Rotterdam

Sietske Prosman

Associate - Attorney at Law

Sietske.Prosman@loyensloeff.com

Amsterdam

English, Dutch

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<p>Sietske Prosman specialises in life sciences and healthcare regulatory M&A and litigation, with a particular focus on commercial contracts, commercial litigation, and regulated markets. She combines sector expertise with an understanding of political developments and regulatory frameworks, enabling clients to navigate complex compliance and governance challenges in highly regulated environments.<br></p>

Sietske acts for leading healthcare institutions, insurance companies, investors, and life sciences businesses active in medical devices, (bio)pharma, diagnostics, cosmetics, nutritionals, suppliers, biotech, medtech, and healthtech. She regularly advises these parties and frequently represents them in litigation.

Before focusing on dispute resolution, Sietske gained experience in the Energy & Infrastructure sector. She advised on project development, domestic and international mergers and acquisitions (M&A), corporate governance, and joint ventures. Her work included transactions involving offshore and onshore wind, solar energy, gas, and hydrogen.