IDbyDNA: Neil Gunn, Guochun Liao

Neil Gunn has been appointed as CEO of pathogen detection firm IDbyDNA, succeeding Guochun Liao, the firm's cofounder, in this role. Gunn joins the company from Roche Diagnostics, where he was president and head of the sequencing business unit. Previously, he led commercial operations, global marketing, and the Americas business at Chiron, where he helped introduce HIV and HCV molecular blood screening tests.

Liao will become IDbyDNA's chief innovation officer and serve as the company's president and board chairman.