Jack has more than 15 years of experience providing strategic research and communications support to international development organisations, including the Red Cross and several CGIAR Research Centers. He has also worked as a journalist and freelance writer and editor covering a wide range of development-related issues, including public health, agriculture, climate change and migration.

Jack holds a PhD in Geography from Kings College London, which investigated transnational migration and the migration-development nexus in Mexico and El Salvador. His research has been published in several internationally renowned academic journals.