Olga Chesalina is a Senior Researcher and country expert for Russia and Eastern Europe at the Max Planck Institute for Social Law and Social Policy, Department for Social Law, in Munich, Germany. Presently she is working on the research project ‘Social Law 4.0: New Approaches to Ensuring and Financing Social Security for the Digital Age’, which started in 2017. Olga Chesalina graduated in 1998 from the Law Faculty of the Belarusian State University; in 2002, she completed her doctoral thesis on the topic “Collective Contracts and Agreements in Belarus, Russia and Poland: Comparative Legal Analysis”. In 2005, she received the academic title of “Associate Professor”. From 1998 to 2006, she taught at the Law Faculty of the Belarusian State University. From 2006 to 2007, she worked as Senior Researcher at the Institute of Legislation and Comparative Law under the Government of the Russian Federation. Since 2008, she has been working at the Max Planck Institute for Social Law and Social Policy. She has authored over 70 articles on labour and social law in English, German and Russian and gave presentations at numerous international conferences on labour and social law.