Jim is a graduate of Yale University, and earned his Ph.D. from M.I.T. in 1997. There, he studied neuromuscular synapse formation and the changes in gene expression that occur in post-synaptic muscle following innervation and subsequent denervation. After a briefly dabbling in Horticultural Taxonomy at the Brooklyn Botanic Garden, Jim returned to his mammalian biology origins, joining the staff of The Jackson Laboratory's Technical Information group in 2001. Jim's expertise are in cell and developmental biology (it says so on his Ph.D.), with an emphasis in neurobiology and strain nomenclature.