Lumos Diagnostics Holdings Limited announced that Doug Ward, an experienced commercial diagnostics executive, has been appointed to the CEO role and will commence with Lumos in mid-June following completion of his notice obligations to his current employer. Doug brings over 30 years of experience in the diagnostics and life sciences industries, and has held senior executive roles with leading, multinational healthcare companies including Roche /Ventana Medical, GE, Siemens, Bayer, Chiron and Hologic.