Dorothe Dalheimer was appointed as Hearing Officer in March 2020. 

Before her appointment to this position, she was head of the legal advice unit in the European Anti-Fraud Office. From 2000 to 2014, she worked in the European Commission’s Directorate-General for Competition, in particular as a member of the team that prepared Regulation 1/2003 and the related policy documents.

For many years, her work focused on developing the European Competition Network and on enhancing convergence of Member States’ enforcement procedures. 

Retired Commission official, ex General Policy Director and Deputy Director General ad interim in DG COMP , Director for capital markets, Director General à titre honoraire.  

Grania Holzwarth is head of EU competition policy at Deutsche Telekom, responsible for EU competition affairs in Brussels, with a focus on ongoing competition cases in the field of telecoms mergers and antitrust cases in the ICT sector, as well as the development of competition policy in the context of digitalisation.

She is chair of ETNO’s (European Telecommunications Network Operators’ Association) Competition Policy Taskforce and vice-chair of the ICLA European chapter (Inhouse Competition Lawyers Association).