White held various roles at Fermilab since joining in 1974. Working with his supervisor, Ray Stefanski, he developed a simple formula to calculate neutrino flux. In 1976 he joined Yale University as a research fellow. He joined Florida State University for his doctoral studies, earning a PhD in 1991. He joined the Universidad Autónoma de San Luis Potosí to work on kaons. In 1994, White was appointed the Illinois Research Corridor Fellow and adjunct professor at North Central College. He also worked on the neutrino oscillation experiment (E701) and SciBooNE. He studies neutrino cross-sections and muon conversion. In 2006 his life story was recorded by the HistoryMakers of Chicago as part of the oral history archives.