CMS appoints eight partners to its tax group

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

CMS appoints eight partners to its tax group

CMS has appointed eight partners to its tax group in its 2017 round of global promotions.

Stephane Bouvier, Pierre Carcelero, Dimitar Hadjiveltchev, Johann Roc'h and Christophe Vézinhet will become partners at the firm’s Paris office. Herman Boersen will join the Amsterdam office as a partner and Mark Cagienard will be a partner at the Zurich office. Diego de Miguel will become a partner at the firm’s Madrid office.

Bouvier has been promoted to partner after joining CMS in 2003. He deals with French and international group taxation, specifically relating to restructuring operations. In addition, he advises clients with tax disputes relating to direct taxation.

Carcelero joined the firm in 2002. His main practice areas are corporate and group taxation. He specialises in  restricting activities and the fiscal structuring of mergers and acquisitions (M&A).

Before becoming a partner, Hadjiveltchev worked a senior tax lawyer at CMS. Hadjiveltchev has developed strong expertise with regards to Franco-Bulgarian relations. He has assisted Bulgarian subsidiaries of a European group with tax inspections and advised Bulgarian consortiums on tax matters.

Roc’h joined CMS in 2006 and has now been promoted to a partner. He specialises in international taxation, more specifically the tax aspects of M&A, intra-group reorganisations and real estate investment transactions.

Vézinhet joined the firm in 2000. He advises in corporate and municipal taxation as well as tax litigation. Vézinhet has also provided advice on tax disputes and assisted with the monitoring of inspections.

Boersen is now a tax partner in the Amsterdam office. His main area of specialism is direct taxes, refinancing and M&A. Before re-joining CMS in 2013, Boersen worked for the Citco Group as an executive board member, responsible for national and international tax matters. Boersen has previously worked in Luxembourg, Germany and the Netherlands where he has been involved in the set up and restructuring of tax efficient entities.

Cagienard has been promoted from an associate to a partner at CMS’s Zurich’s office. His main practice areas cover individual and corporate taxation, including corporate finance, M&A and VAT. He is also a certified tax expert.

De Miguel joined CMS in 2009 and is now a partner in the Madrid office. Before this, he worked as an attorney for Baker McKenzie and Cuatrecasas, Gonçalves Pereira. De Miguel has worked on a number of international projects, including real estate enterprise and corporate restructuring. Moreover, he has defended taxpayer’s interests by preparing and executing tax proceedings.

more across site & shared bottom lb ros

More from across our site

The flagship 2025 tax legislation has sprawling implications for multinationals, including changes to GILTI and foreign-derived intangible income. Barry Herzog of HSF Kramer assesses the impact
Hani Ashkar, after more than 12 years leading PwC in the region, is set to be replaced by Laura Hinton
With the three-year anniversary of the PwC tax scandal approaching, it’s time to take stock of how tax agent regulation looks today
Rolling out the global minimum tax has increased complexity, according to Baker McKenzie; in other news, Donald Trump has announced a 25% tariff on countries doing business with Iran
Among those joining EY is PwC’s former international tax and transfer pricing head
The UK firm made the appointments as it seeks to recruit 160 new partners over the next two years
The network’s tax service line grew more than those for audit and assurance, advisory and legal services over the same period
The deal is a ‘real win’ for US-based multinationals and its announcement is a welcome relief, experts have told ITR
Tom Goldstein, who is now a blogger, is being represented by US law firm Munger, Tolles & Olson
In looking at the impact of taxation, money won't always be all there is to it
Gift this article