JoAnn Buchanan is currently a Senior Research Associate at the Allen Institute and a member of the Neural Coding-EM Connectomics team and the IARPA MICrONS project. Since becoming engaged in EM Connectomics, her focus has been on sample prep and designing protocols for heavy metal en bloc staining. She has performed electron microscopy on a variety of organisms including Drosophila, mosquito, firefly, leech, squid, Aplysia, mouse, rat and human. JoAnn received her M.S. from Northeastern University where she is currently a Ph.D. candidate and her work is focused on glia in the mouse visual cortex.