NRx Pharmaceuticals Inc., a clinical-stage biopharmaceutical company, has appointed Stephen Willard as its chief executive officer and a member of the company’s Board of Directors.   The company’s interim CEO, Robert Besthof, will continue to support the company and return to his roles as head of operations and chief commercial officer.   “We are delighted to have attracted a candidate like Steve whose background and experience align with NRx Pharmaceuticals’ current ...