Marianna B. Karttunen has worked as a Policy Analyst at the OECD Regulatory Policy Division, focusing on international regulatory
co-operation since February 2016. In this position, she carried out innovative policy work on international regulatory co-operation,
including leading the first in-depth country reviews on the subject. Previously, she held a position as Policy Adviser at
the OECD G8-G20 Sherpa Office and conducted research at the Trade and Environment Division of the WTO. Karttunen has a Ph.D.
in Law from the European University Institute and has published in leading journals on international trade law.