NEW YORK--(BUSINESS WIRE)--Kroll, the global leader in risk mitigation and response solutions, announced today that Mark R. Williams has joined the firm as President of Kroll Ontrack. “Over the last several months, Kroll has been strengthening its leadership team across practice groups to enhance our capabilities to deliver outstanding results for our global clientele,” said Manny Conti, Kroll CEO. “With his proven business acumen and global experience, Mark is a natural fit to join our team. I