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Portrait of Kai Ruckelshausen
Partner

Kai Ruckelshausen

Languages
  • German
  • English

Kai Ruckelshausen is a partner in the Banking & Finance team at CMS Vienna. He advises Austrian banks and European financial institutions on a broad range of financial transactions, including acquisition, corporate, project, and real estate financing.

He graduated from Columbia University in New York as a Harlan Fiske Stone Scholar in 2017 and is admitted as attorney in the state of New York.​

His secondment with an international technology group gave him a solid understanding of internal corporate processes. Alongside his legal work, Kai lectures at the Vienna University of Economics and Business and the Academy for Law and Taxation. He combines technical knowledge with practical experience in banking and finance law, both in Austria and internationally.​

Awards & Recognitions
01
  • Quote
    Kai Ruckelshausen is strong both academically and practically.
    Chambers Europe 2026
  • Quote
    Kai Ruckelshausen offers a very good level of service and commercial awareness.
    Chambers Europe 2026
  • Quote
    Kai Ruckelshausen stays calm in complex situations.
    Chambers Europe 2026
  • Quote
    Through his expertise and dedication, Kai Ruckelshausen has proven to be an invaluable partner in getting the most complex and challenging transactions over the finishing line.
    Chambers Europe 2026
  • Quote
    Kai Ruckelshausen is an excellent banking and finance lawyer with a strong legal and commercial understanding of the finance and real estate industry.
    Chambers Europe 2026
  • Quote
    Up & coming.
    JUVE 2025
  • Quote
    Sehr umfassend in der Transaktion informiert, stets schnelle und kompetente Beratung.
    JUVE 2025

Memberships & Roles

  • Austrian Bar Association

Education

  • 2018 - Bar exam (with very good success) 
  • 2017 - New York Bar Exam 
  • 2017 - LL.M, Columbia Law School, New York (Harlan Fiske Stone Scholar) 
  • 2012 - Mag. iur., Law, University of Vienna

Insights by Kai

CMS at Expo Real, Munich

06 Oct 2025

CMS advises Krone Group on investment in Schwarzmüller Group

01 Jul 2024 3 min read

CMS announces 54 new partners across international offices

16 Apr 2024 2 min read

CMS advises Sfakianakis Group on the acquisition of Ajar Car Rental

15 Mar 2024 2 min read
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