Impac Mortgage Holdings will continue to focus on originating non-qualified mortgages after a change in leadership at the nonbank. Joseph Tomkinson, the longtime chairman and CEO of Impac, is scheduled to step down in July, with George Mangiaracina taking over as CEO. Mangiaracina has been an executive vice president and managing director at Impac since early 2015. Since then, Impac has boosted its non-QM production while focusing on refinances of conforming mortgages ...