Justus ter Veen graduated from Georg August University of Göttingen and completed his legal clerkship at the Higher Regional Court of Frankfurt am Main. During his legal clerkship, he worked for other leading international law firms in their banking & finance practice groups.

Justus ter Veen was admitted to the German bar in 2023 and initially worked for Herbert Smith Freehills LLP in Frankfurt am Main, also in the banking & finance practice group. Justus ter Veen joined LSP in 2024. He advises in German and English.