Dr. J Bernard Heymann is an experienced scientist in the National Cryo-EM Program, Cancer Research Technology Program, Leidos Biomedical Research, Inc., Fredrick National Laboratory, NCI, NIH. He obtained a Doctor of Philosophy degree (Ph.D.) from Purdue University (1995) focused on protein biochemistry and biophysics, in particular the E. coli toxin, colicin E1. He was a Postdoctoral Researcher at the University of Basel (1996-2000) and the National Institutes of Health (NIH) (2000-2002). He worked at Caltech (2003-2004) and the National Institutes of Health (NIH) (2004-2021) before joining Leidos Biomedical Research, Inc. He is skilled in the wet laboratory with experience in biochemistry, molecular biology, microbiology, and electron microscopy. He is the main originator and developer of the Bsoft package: freely available software for the processing and interpretation of electron microscopic data. He has extensive involvement in computational approaches in cryo-electron microscopy (cryoEM), including software development, micrograph processing, and proposing conventions and measures for validation.