Chris Callahan

PieranDx has named Chris Callahan chief commercial officer, where he will head sales, marketing, and business development efforts. Callahan joins the bioinformatics startup after serving as vice president for product strategy and business development for Sunquest Information Systems. He previously held a managerial-level position at health IT giant Cerner. St. Louis-based PieranDX is in growth mode, having raised $3 million in new funding in February and entered into a partnership with Cancer Genetics last month.