He specializes in ethics, political philosophy, and philosophy of liberation with concentrations in feminism, race, indigeneity, and global justice. His recent research focuses on philosophical conceptions of solidarity in liberatory movements, problems of recognition and identity politics in models of social justice, moral criteria for regulating how state administrative agencies treat refugees, critiques of immigration and border policies, and the aesthetics of race. Christian has over twelve years of experience training facilitators and community organizers, including specializations in communication, organizational diversity, grassroots policy advocacy and, lobbying. Among his broader activities he includes anti-poverty advocacy, advocacy for trans*gender rights, and as a trainer with the Safe Zone program at Virginia Tech.