Home / People / Dr. Christian Zielonka
Christian Zielonka

Dr. Christian Zielonka, Maître en droit


CMS Hasche Sigle
Schoettlestraße 8
70597 Stuttgart
Languages German, English, French

Christian Zielonka mainly advises groups and medium-sized companies on national and international M&A-transactions, joint ventures and restructurings. Beyond this, he has gained experience in the realm of dispute resolution, particularly by advising in a large-scale post-M&A arbitration proceeding.

Christian Zielonka joined CMS in 2012 and was promoted to Counsel in 2019. He has gained international experience in France as well as the UK, in particular during his additional studies in International and European Law at Paul Cézanne University in Aix-en-Provence obtaining the degree Maîtrise en droit and while conducting research for his PhD in the field of International Investment Law as a Visiting Fellow of the Lauterpacht Centre for International Law at the University of Cambridge, UK.

more less

Relevant experience

  • Implenia AG (Swiss construction and construction services company) | On takeover of Bilfinger Hochbau from Apleona GmbH
  • Gustav Wahler GmbH u. Co. KG shareholders | On sale of Gustav Wahler GmbH u. Co. KG to BorgWarner
  • Robert Breuning Foundation | On sale of KOMET Group to CERATIZIT S.A.
  • Advising a group on the sale of a business unit (industrial services)
  • Sparkasse financial group (Deutscher Sparkassenverlag, Landesbank Hessen-Thüringen Girozentrale, Landesbank Baden-Württemberg) | On implementation of the online payment service paydirekt
more less


  • 2012 - 2016: PhD under the supervision of Prof. Dr. Nettesheim at the University of Tuebingen, thesis in the field of International Investment Law on “How to balance investor protection and regulatory interests in International Investment Agreements”, including research at the University of Cambridge, Lauterpacht Centre for International Law, UK
  • 2012: Second state examination in law
  • 2010: Trainee lawyer at Stuttgart Regional Court, including placements at CMS Germany
  • 2010: First state examination in law
  • 2006 - 2007: International and European Law studies at Paul Cézanne University in Aix-en-Provence; degree: Maîtrise en Droit International et Européen
  • Work experience in international commercial law firms and the Federal Ministry of Justice in the international law/international organisations department
  • Law studies at the University of Tuebingen with a focus on international business law
more less


  • DIS 40 (German Arbitration Institute’s initiative of young arbitrators)
more less


  • Der Ausgleich zwischen Investorenschutz- und Regulierungsinteressen in internationalen Investitionsschutzabkommen“, Tübinger Schriften zum Internationalen und Europäischen Recht, Band 102, Duncker & Humblot 2017
more less


Show only
CMS ad­vises share­hold­ers in bi­otech com­pany Labor Dr. Merk & Kolle­gen on...
Stut­tgart – Phar­ma­ceut­ic­al group Boehringer In­gel­heim has signed an agree­ment to ac­quire all the shares in Ger­many-based bi­otech com­pany Labor Dr. Merk & Kolle­gen. Boehringer In­gel­heim in­tends to use...
CMS ad­vises An­chor part­ner To­bi­as Wahl on sale of Gehring Tech­no­lo­gies...
Stut­tgart – In­solv­ency ad­min­is­trat­or To­bi­as Wahl and his team from An­chor Recht­san­wälte and An­chor Man­age­ment have suc­ceeded in find­ing a buy­er for the Gehring en­gin­eer­ing group. The Na­gel Group will...
Robert Bre­un­ing Found­a­tion ad­vised by CMS Ger­many on sale of stake in KO­MET...
Stut­tgart – The Robert Bre­un­ing Found­a­tion has sold its stake in Be­sigheim-based KO­MET Group to CER­AT­IZ­IT S.A. The trans­ac­tion was com­pleted today, after the pur­chase agree­ment was signed on 12 Oc­to­ber...
CMS ad­vises Im­plenia AG on ac­quis­i­tion of Bil­finger Hoch­bau from Aple­ona...
Stut­tgart – Con­struc­tion group Im­plenia AG, based in Di­et­likon, Switzer­land, has ac­quired the Bil­finger Hoch­bau unit from Aple­ona GmbH. The pur­chase price was not dis­closed. The trans­ac­tion is cur­rently...
CMS ad­vises fund­info AG on in­vest­ment by private equity firm Hg­Cap­it­al
Stut­tgart – Private equity firm Hg­Cap­it­al is in­vest­ing in fund­info AG, a lead­ing in­ter­na­tion­al plat­form for fund in­form­a­tion and man­dat­ory pub­lic­a­tions. Hg­Cap­it­al will work with the ex­ist­ing man­age­ment...
12 May 2016
CMS ad­vises Spar­kassen on in­tro­duc­tion of pay­direkt
Stut­tgart – CMS Hasche Sigle has ad­vised the Spar­kassen-Fin­an­z­gruppe (Ger­man Sav­ings Banks Fin­ance Group) on the in­tro­duc­tion of the pay­direkt on­line pay­ment meth­od. The firm was in­struc­ted by Deutscher...