Joseph "Joe" Felsenstein (born May 9, 1942) is Professor in the Departments of Genome Sciences and
Biology and Adjunct Professor in the Departments of
Computer Science and
Statistics at the
University of Washington in
Seattle. He is best known for his work on phylogenetic inference, and is the author of
Inferring Phylogenies, and principal author and distributor of the package of phylogenetic inference programs called
PHYLIP. Closely related to his work on phylogenetic inference is his introduction of methods for making statistically independent comparisons using phylogenies.