Carl Diesterweg

Senior Associate, Helsinki

Digitalization & TMT, Energy & Infrastructure, Industrial Investments, Outsourcing


Carl Diesterweg is a Helsinki-based Senior Associate advising clients on industrial projects and a broad range of collaboration, supply and service agreements. Carl is experienced in advising throughout the different stages of a project from inception to completion covering both non-contentious and contentious matters. In addition, Carl has a great deal of experience in matters related to technology, software and data. Carl joined Roschier in 2018.

Work highlights

Carl Diesterweg’s experience includes advising:

  • Outokumpu in the divestment of its remaining Long Products operations in Sweden.

Roschier (2018-)
Castrén & Snellman, Associate (2015-2018)
Wragge Lawrence Graham (Currently: Gowling WLG), Trainee Solicitor (2013-2015)
American Chamber of Commerce to the EU, Policy Officer (2011-2012)
European Commission, Trainee (2010-2011)


Member of the Finnish Bar Association
Solicitor of the Senior Courts of England and Wales


University of Cambridge, LL.M. (2010)
University of Kent, LL.B. (2009)
Université Paris 1 Panthéon-Sorbonne, Licence en Droit (2008)


English, German