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 has carries out innovative policy work on international regulatory co-operation, including leading the first in-depth country reviews on the subject, various studies on the role of international organisations as platforms for IRC, and the importance of IRC in the context of COVID-19. 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 is the author of Transparency in the WTO SPS and TBT Agreements: The Real Jewel in the Crown (Cambridge University Press, 2020).