David Nierengarten is an analyst covering stocks in the biotechnology sector. His prior sellside research experience at Robert W. Baird & Co. covered biotechnology companies of all market capitalizations, with a focus on oncology and rare diseases. Nierengarten's prior early-stage venture capital investing experience helps him evaluate developmental-stage biotechnology companies that comprise his current major coverage focus. His experience on the other side of that equation, in a clinical-stage, venture-backed biotechnology company, provides him with additional insights into corporate operations. He received his bachelor's degree in biochemistry from the University of Wisconsin-Madison and his Ph.D. in molecular and cell biology from the University of California Berkeley.