Wendel Barr has been named to the role of chief operating officer at Covance. Mr. Barr, who is currently president of Early Development North America, will assume operating responsibility for Covance’s business units worldwide and will report to Joe Herring, Covance’s chairman and chief executive officer. In addition, Mike Lehmann, currently general manager of the preclinical laboratory facility in Madison, WI, was named president of labs North America and will serve on Covance&#8217...