Glenn Kerkhof has been appointed chief executive officer, Chiltern International. Mr. Kerkhof has more than 13 years of management experience in the pharmaceutical services industry. He joins the company from Charles River Laboratories, where he served as the vice president of global operations for clinical services and was responsible for operating a business unit comprised of more than 1,100 people in 20 countries. Prior to Charles River, he served at as vice president of operations for clinical services for Inveresk Research Group in Europe and Asia Pacific.

"Glenn brings to Chiltern strong leadership, senior operational experience and extensive knowledge of the pharmaceutical services industry from serving as the head of global clinical operations at Charles River Laboratories and Inveresk Research Group, two leading international CROs," said Nick Thornton, vice chairman of Chiltern International. "Glenn's expertise in global clinical services will help Chiltern maintain high standards of quality and leverage considerable opportunities for growth around the world."

Mr. Kerkhof's appointment follows the recent acquisition of Chiltern International by Czura Thornton, a private investment group led by Antony Czura and Nick Thornton.