Raphael is an Advisor to the Executive Director at the Peace Research Institute Frankfurt (PRIF), Adjunct Lecturer at Mannheim Law School and an external PhD candidate at Goethe University Frankfurt.

His current fields of research include international (criminal) courts and tribunals with a special focus on the actorness in international relations, the interplay of pandemics and international law as well as (theoretical) questions pertaining to areas of limited statehood (including the Arctic, Antarctica, or the High Seas).