Deirdre’s practice focuses on capital markets, M&A transactions and corporate finance. She has experience working with international and Swiss companies, investment banks and private equity firms in a range of equity, debt and M&A transactions, including IPOs, rights offerings, public and private acquisitions and corporate financing arrangements.


Recent matters in which Deirdre has acted as counsel include the representation of:

  • Stadler Rail AG, a leading global pure-play producer of rolling stock and related systems, in its 2019 IPO on SIX Swiss Exchange with an offer size of CHF 1.5 billion and a market capitalization of CHF 3.8 billion

  • Medacta Group SA, an international orthopaedics company specialising in the design and production of orthopaedic products and the development of accompanying surgical techniques, in its 2019 IPO on SIX Swiss Exchange with a placement volume of CHF 589 million

  • UBS AG in the CHF 612.6 million fully underwritten rights offering of Bell Food Group on SIX Swiss Exchange in 2018

  • Capvis Equity II LP on the sale of its portfolio company Lista Holding AG to the Chinese Greatstar Group in 2018

  • Actelion Ltd in connection with the public tender offer by Johnson & Johnson for the shares of Actelion and the simultaneous demerger and listing of Idorsia Ltd in 2017

  • New York State Bar
  • IBA International Bar Association