Senior Associate

Anna Mast

Languages

German
English
French

Anna Mast's practice focuses on international and domestic private and public M&A and finance transactions. Anna Mast also advises on private equity transactions and on general corporate and contractual law matters.

After obtaining her Bachelor's degree in Business Administration and her Master's degree in Law and Economics at the University of St.Gallen, Anna Mast worked as a trainee lawyer in a commercial law firm in Zurich and subsequently for several years as a clerk at the District Court. Since being admitted to the bar of the Canton of Zurich in 2022, joined CMS as part of the Corporate/M&A team.

Relevant experience

Advised on the acquisition of Adsigo by Integrity360, December 2024
Advised shareholder on the sale of Mungo Befestigungstechnik AG, October 2024
Advised Ecostal Group on the acquisition of Solexis, September 2024
Advised Ypsomed on the closing of the sale of its pen needle and BGM businesses to MTD across 17 jurisdictions, August 2024
Advised Henry Schein on the acquisition of ABC Dental, July 2024
Advised Ypsomed on the sale of its pen needle and BGM businesses to MTD, March 2024
Advised US technology company Bruker on the agreement to acquire Chemspeed, February 2024
Advised Renaissance on the acquisition of the business operations of Heberlein AG, October 2023
Advised US technology company Bruker on entering into equity-based strategic partnership with MIRO Analytical AG, October 2023
Advised FLACHGLAS Wernberg GmbH on the sale of Flachglas Schweiz Group, September 2023
Advised Saint-Gobain on the divestment of the Swiss Glassolutions business, April 2023
Advised DPE Deutsche Private Equity on sale of VTU Group to Altor Funds, February 2023
Advised Vista Augenpraxen & Kliniken on the acquisition of Augenzentrum Thun, January 2023
Advised Lab14 GmbH on the acquisition of a majority stake in Nanosurf AG, January 2023
Advised the owner family on the sale of a majority stake in SCHURTER Holding AG, January 2023
Advised US technology company Bruker on entering into equity-based strategic partnership with Biognosys AG, January 2023
Advised on joint venture between Voigt Holding AG and PHOENIX Pharma Switzerland, October 2022
Advised Vista Augenpraxis & Kliniken on the acquisition of AVANTI, Centro Ticinese di chirurgia ambulatoriale SA as well as on two other transactions, October 2022
Advised ACE SWISS Group on the sale of a majority stake in Casinò Locarno to Stadtcasino Baden AG, September 2022

Memberships & Roles

HSG Alumni

Education

2022 - Bar admission
2016 - M.A. HSG in Law and Economics, University of St.Gallen
2014 - Exchange Semester, Vienna University of Economics and Business
2012 - B.A. HSG in Business Administration, University of St.Gallen

Practice Areas

Corporate / M&A Commercial

sectors

Private Equity

Insights by Anna

See all Insights

News Switzerland

CMS advises Renaissance Investment Foundation on the acquisition of a majority stake in the Asic Group

02 Feb 2026 1 min read

Deals Switzerland

CMS advises SIX listed Youngtimers AG on its successful CHF 49.7 million capital increase

16 Dec 2025 2 min read

News Switzerland

CMS advises the Cicor Group on the acquisition of two production sites from Valtronic

31 Oct 2025 2 min read

Legal Update Switzerland

(Un-)Certainty regarding the term of office of board members following recent decisions by the Swiss Federal Supreme Court

19 Sep 2025 18 min read