Management tracks: OncoMed, Vividion, Spero

Cancer company OncoMed Pharmaceuticals Inc. (NASDAQ:OMED) said Chairman and CEO Paul Hastings began a medical leave of absence.

Proteomics company Vividion Therapeutics Inc. (San Diego, Calif.) named Diego Miralles CEO. He was president of the Adaptive Therapeutics division at Adaptive Biotechnologies Corp. (Seattle, Wash.)...