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). 

Heike Schweitzer holds a chair for private law, economic law and competition law at the Humboldt-University, Berlin. Before, she was professor at the Freie Universität Berlin (2014-2018), at the University of Mannheim (2010-2014) and at the European University Institute in Florence (2006-2010).

She has published widely in the field of European and German competition law, including state aid law and regulatory law. For some years now, her research has focused on the economic and legal implications of digitisation for competition law. From April 2018 – March 2019, Heike Schweitzer has acted as special advisor to Commissioner Vestager on future challenges of digitisation for competition policy. Together with Martin Schallbruch and Achim Wambach, she co-chaired the German governmental Commission “Competition Law 4.0”. Also, she advised the German Economic Ministry on the reform of the regime of abuse control in the context of the 10th amendment to the German Competition Law. Currently, she is running a research project for the German Economic Ministry on issues of data access.