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About Dr. Carsten Haak

Carsten advises financial sponsors, sovereign wealth funds and corporations on domestic and cross-border M&A transactions, (minority) investments, joint ventures, co-investments and management incentivisation. 

Carsten has worked with many of the firm's key financial sponsor clients. He was involved in transactions in a wide variety of sectors with a focus on transactions in the software, technology, telecommunications and (telecommunications-)infrastructure space. 

He is based in Frankfurt and has spent time on secondment to our financial sponsors teams in London, Hong Kong and Munich.

Carsten speaks German and English.


Recent work

  • Permira and Blackstone on the €14bn take-private of Adevinta 
  • Mindray on the acquisiton of a majority interest in DiaSys
  • Getir on the acquisition of Gorillas
  • Apax and Warburg Pincus on the acquisition of T-Mobile Netherlands (today: Odido) at a value of €5.1bn
  • Permira and TeamViewer on the IPO of TeamViewer AG at a value of €5.25bn and Permira on subsequent placements of TeamViewer shares 
  • Permira on the sale of a majority stake in P&I Personal & Informatik valuing the company at €2bn
  • Hellman & Friedman on the €2.9bn acquisition of AutoScout24
  • Warburg Pincus on the acquisitions of Infoniqa and Sage Schweiz AG and on the investments in IONOS and Community Fibre
  • Corten Capital on the acquisition of Matrix42
  • NGN Fiber Network on the partnership with Eurofiber
  • TPG on the sale of Transporeon
  • One Equity Partners on the acquisition of Walki
  • FountainVest on the acquisition of BMTS Technology (formerly Bosch Mahle Turbo Systems)
  • Blackstone on the sale of Trans Maldivian Airways



  • Bielefeld University, Germany (Dr. iur., B.A. law and management)
  • Higher Regional Court of Frankfurt am Main, Germany (Second State Examination)

Professional qualifications

  • Rechtsanwalt, Germany