Joseph is from Boston, Massachusetts, and completed his undergraduate studies at The College of the Holy Cross in Worcester, Massachusetts, where he majored in English and Peace and Conflict Studies. He studied abroad at The University of Melbourne. After graduation he taught conversational English in Kagawa, Japan, before working as a fundraising professional for The Jimmy Fund at the Dana-Farber Cancer Institute in Boston. In 2012 Joseph completed his Master's in Public Health from the Boston University School of Public Health, where he studied International Health and Health Program Management. As part of his studies Joseph spent eight months studying public health in the Philippines. He was based in Manila, but conducted research on parasitic diseases and community health financing in rural areas of the country. He also worked as an intern for the World Health Organization Western Pacific Regional Office in the Emergency and Humanitarian Action Unit. His GHC posting was as a Policy Support Officer on a USAID-funded Maternal and Child Health project in Uganda. He is currently based in western Kenya working as a Program Associate on the Innovations team of One Acre Fund. Joseph enjoys travel and hiking and practices yoga and meditation.