Conly Leroy Rieder is a cancer researcher in the field of mitotic cellular division. The bulk of his research between 1980 and 2011 was funded through NIH grants and conducted at the Wadsworth Center in the New York State Department of Health in Albany, New York. He has published on the subjects of chromosome motility, spindle assembly, and mitotic checkpoints. His research has contributed to the growing understanding of the process of cell division and the pathology of cancer.