The mandate of the Cartel Working Group is to address the challenges of anti-cartel enforcement, including the prevention, detection, investigation and punishment of cartel conduct cross the range of ICN members with differing levels of experience and resources. At the heart of antitrust enforcement is the battle against hard core cartels directed at price fixing, bid rigging, market allocation and output restriction.

The Cartel Working Group is co-chaired by the Netherlands Authority for Consumers and Markets, the South African Competition Commission, and the Colombian Superintendencia de Industria y Comercio.

The Cartel Working Group consists of two subgroups:

Subgroup 1: Legal Framework (SG1) addresses the legal and conceptual challenges of anti-cartel enforcement.  The focus of the subgroup is examining policy-level issues of the institutional and investigative framework for the detection and punishment of hard core cartels.


Subgroup 2: Enforcement Techniques (SG2) aims to improve the effectiveness of anti-cartel enforcement by identifying and sharing specific investigative techniques and advancing the education and information sharing agenda of the Cartel Working Group.


Current Work

  • Organizing a webinar series on the impact of private enforcement on public anti-cartel enforcement and one on increasing cartel deterrence through compliance programs;
  • Organizing the 2015 ICN Cartel Workshop;
  • Creating a compilation of a catalogue/menu on investigative powers for newer agencies;
  • Creating a framework for the promotion of the sharing of non-confidential information; and
  • Updating/Completing Anti-Cartel Enforcement Templates.

2015 ICN Cartel Workshop

The 2015 ICN Cartel Workshop will be held in Cartagena, Colombia from October 18 - 21, 2015. 


Contact Information

For more information about the Cartel Working Group, please contact:

Cartel Working Group Co-Chairs

Edward Hand
Foreign Commerce Section
United States Department of Justice, Antitrust Division
Tel: +1-202-514-2464
Barbara Schulze
Head of Unit, International Unit
Tel: +49(0)228-9499-240
Siún O’Keeffe (link to:
Senior Strategy Advisor
Netherlands Authority for Consumers and Markets
Tel: +31 (0)70 7222664
Siún O’Keeffe
Senior Strategy Advisor
Netherlands Authority for Consumers and Markets
Tel: +31 (0)70 7222664

Subgroup 1 Co-Chairs

Kris Dekeyser
Head of Unit
Antitrust Case Support and Policy
European Commission
Tel: +322 295 4206
Toshiyuki Nambu
Deputy Secretary General for International Affairs
Japan Fair Trade Commission
Tel: +81 3581 1998

Subgroup 2 Co-Chairs

Marcus Bezzi
Executive General Manager
Enforcement and Compliance Division
Australian Competition and Consumer Commission
Tel: +62 2 9230 3894
Paulo Burnier da Silveira
Head of International Unit
Brazil Administrative Council for Economic Defense
Tel: +55 61 3221 8585
Vladimir Kachalin
Assistant to the Head
Federal Antimonopoly Service of the Russian Federation
Tel: + 79 18 553 7862