spiro latsis is the son of yiannis latsis and erietta tsoukala. he has two sisters, marianna and margarita latsis. he was educated at the london school of economics (lse) where, in 1968, he obtained a bachelor's degree in economics. in 1970, he received a master's degree in logic and scientific method. he went on to pursue his doctorate and obtained a phd in philosophy from the lse in 1974.