Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world. Ambac Financial Group Inc. said President and Chief Executive Officer Nader Tavakoli will also head a subsidiary unit of the bond insurer as shareholder Canyon Capital Advisors increased criticism of his compensation and the company’s performance. Tavakoli will serve as president and CEO of Ambac Assurance Corp., the company’s principal operating subsidiary, the New York-based insurance company said in a statement Wednesday. “Nader is an exemplary leader, with the right skills...