Jon Cohen, Geoff Monk

Opko Health announced the appointment of Jon Cohen as executive chairman of BioReference Laboratories. Cohen spent 10 years at Quest Diagnostics in senior executive roles, most recently as senior vice president and group executive, diagnostic solutions. Prior to joining Quest, Cohen was a managing director of health industries services at PricewaterhouseCoopers. Earlier, he served as chief medical officer at North Shore-Long Island Jewish Health System (now Northwell Health), and as chief policy advisor to New York Governor David Paterson.

The company also announced the promotion of Geoff Monk to president of BioReference Laboratories. Monk will report to Cohen. Monk joined BioReference last May as general manager.