Organovo Holdings, Inc. announced that the company has hired Paul Gallant as its General Manager of the in vitro tissue service and product business. Mr. Gallant has more than 20 years of management and R&D experience in the drug discovery industry, most recently serving as chief operating officer for DiscoveRx. At Organovo, Mr. Gallant will be responsible for driving the success of the toxicology contract research services business, in close partnership with the sales and marketing team under Michael Renard and the Research and Development team under Sharon Presnell.