Christoph works on situations that are at high-risk of increased human rights violations, such as armed conflicts. In his work he focuses on exploring the intersection of technology and human rights and specializes in utilizing geospatial technologies such as satellite imagery or interactive maps. His expertise is in International Humanitarian Law, conflict analysis, crisis mapping, video validation and social media forensics and he is a regular speaker on technology and human rights. He is the founder and editor of the Citizen Evidence Lab, a dedicated resource for human rights workers to authenticate citizen media. 

He has testified on war crimes in Sri Lanka before the United States Congress and his work is covered regularly by numerous national and international media, including Associated Press, BBC, CNN, Al Jazeera and Reuters.

He previously worked and studied in Austria, the Netherlands and Italy and holds an MA in International Relations from Johns Hopkins University’s School of Advanced International Studies (SAIS).