Tomislav Sokol was born in Zagreb in 1982. He obtained his initial degree in law at the University of Zagreb Faculty of Law in 2006, magna cum laude. He obtained an LL.M. degree at the Katholieke Universiteit Leuven (KUL) in Belgium, with a specialisation in European Union Law in 2009, magna cum laude. He defended his Ph.D. at KUL, dealing with free movement of cross-border health care services in the EU and its impact on national health insurance systems in 2014.

During his studies, in 2004, Tomislav Sokol became a member of Croatian Democratic Union (HDZ). He rose through the party ranks during the next decade, always emphasising Christian Democratic values as the cornerstone of its identity. He was an Assistant Minister in the Ministry of Science and Education, after which he became a Member of Croatian Parliament. He was a Member of Croatian Parliament until July 2019 when he became a Member of European Parliament. He sits on the Internal Market and Consumer Protection and Regional Development Committees.

He has so far published numerous papers and one book on the issues concerning EU law, including health law, health policies and patient mobility. He has presented papers in many international conferences, worked on different research projects and is currently taking part in a Jean Monnet project related to EU health law and policy. Previously, he worked in a legal practice and is currently a Senior Lecturer at Zagreb School of Economics and Management where he has taught Introduction to European Union and Principles of Law courses since the academic year 2010/2011. He is also an assistant professor at Catholic University of Croatia where he is teaching Health Law. In 2017, he held the position of Assistant Minister at the Ministry of Science and Education. From September 2017 to July 2019, he was a MP in the Croatian Parliament.  He was elected to the European Parliament on 25 May 2019. In the European Parliament, he is a member of the Committee on the Internal Market and Consumer Protection, substitute in the Committee on Regional Development and Special Committee on beating cancer. His areas of professional interest include the law of the European common market, EU health law, competition law, international and European social law and international and European trade law. He has been married to Ana since 2018.