- Studies at University of Cologne, Université Nancy II (France), University of Münster
- PhD on the distribution of the burden of proof in medical liability law at University of Münster
- 2015 - 2017 Clifford Chance, Düsseldorf and Paris
- 2016 - 2018 Legal training in Düsseldorf, Hanoi (Vietnam) and Paris
- 2018 Heuking Kühn Lüer Wojtek, Düsseldorf
- 2019 - 2020 Associate Lawyer at Taylor Wessing, Düsseldorf
- Since 2021 with ARQIS
- Dr. Hanna Caesar regularly publishes expert papers in highly regarded law journals.