[3] He practised as a lawyer in Cologne, working in corporate law and real estate transactions.

[1] In 2012, he was promoted to associate professor with tenure and appointed director of the Institute of Comparative Law, a role he held until 2016.

[1] He was promoted to the rank of full professor in 2021,[5] and in 2023 he was appointed to the Arnold Wainwright Chair in Civil Law.

[6] Between 2018 and 2021 he also held a part-time position as Professeur associé (associate professor) at the University of Lausanne.

[8] In that year he also received the John W. Durnford Award for Teaching Excellence at McGill University Faculty of Law.