Marina Castelli-Joos

Partner

Marina Castelli-Joos is a highly experienced corporate lawyer with a specialization in mergers and acquisitions, financing transactions, and corporate law.

She provides counsel to a wide range of clients, including start-ups, small and medium-sized enterprises, multinational companies, and major venture capital funds. Her expertise includes advising clients on Swiss and cross-border corporate matters such as M&A, corporate restructurings, private equity, venture capital, debt financing, exit transactions, and commercial contracts. Marina Castelli-Joos also offers legal advice on corporate governance issues, drawing on her extensive experience working across various economic sectors.

Marina Castelli-Joos previously worked for over a decade at prominent law firms in Switzerland, prior to joining id est avocats in 2020. She accomplished her legal studies at the Universities of Geneva and Lucerne, as well as Harvard Law School.

Marina Castelli-Joos is a frequent lecturer and author in her areas of expertise and has served as the lead Swiss law expert for several chapters of the World Bank Doing Business Report.

Marina Castelli-Joos is licensed to practice before all Swiss courts and is proficient in English, French, and Spanish, and also speaks German and Italian.

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