Todd Druley, Sandra Close, Karen Fritschen,

ArcherDx has appointed Todd Druley as the firm's chief medical officer, Sandra Close as the senior VP of regulatory and diagnostic strategy, and Karen Fritschen as VP of human resources.

Prior to joining ArcherDx, Druley most recently served as an associate professor of pediatrics, hematology, and oncology at Washington University of Medicine in St. Louis. He is an inductee into the American Society of Clinical Investigators and serves as a scientific advisor for Alex's Lemonade Stand Foundation, the Gateway Chapter of the Leukemia & Lymphoma Society, the Kids Shouldn't Have Cancer Foundation, the B+ Foundation, and the Eli Seth Matthews Leukemia Foundation. Druley will continue to see children with cancer predisposition as well as oversee his academic research lab at WUSTL.

Before joining ArcherDx, Close served as CEO of GenEngine. In addition she was responsible for building the health outcomes function for Baxter Healthcare/Caremark. She also lead the research and biomarker functions, including personalized medicine and companion diagnositics at Eli Lilly. Close also previously served as Arrogen's chief scientific officer.