Robert John is a partner in the Frankfurt office of Mayer Brown's Corporate practice. He advises on national and cross-border M&A transactions, mainly private equity investors and strategic investors. He also advises on corporate law including management buy-outs, acquisition and sale of companies, management participations, public takeovers, restructurings and joint ventures.

Robert has extensive experience in technology transactions, particularly in the telecommunications, aircraft and renewable energy industries.

Prior to joining Mayer Brown in 2018, Robert worked for another renowned international law firm in Frankfurt.

Spoken Languages

  • German
  • English
  • Russian


  • Advising DBAG on its acquisition of akquinet and two data processing centers.
  • Advising TRITON portfolio company NORRES on the acquisition of Baggerman Group.


Doctor's Degree (PhD in Law), University of Münster

New York University School of Law, Master of Laws (LLM)

Second State Law Examination (bar exam), Humboldt University of Berlin

First State Law Examination, University of Münster


  • Frankfurt am Main, Germany
  • Recommended by name under "Leading Lawyers in Corporate Law" and "Leading Lawyers in Mergers & Acquisitions" – Kanzleimonitor 2020/2021