Radian Guaranty Names Prez, Vice Chair

David M. Applegate has been named president of Radian Guaranty and Paul F. Bognanno has been appointed to the newly created position of vice chairman, according to Radian's Philadelphia-based parent company, Radian Group Inc.Mr. Applegate has more than 20 years of mortgage banking and residential real estate industry experience, most recently as chairman and chief executive officer of GMAC Residential and chief operating officer of GMAC ResCap. He was previously executive vice president and chief financial officer of GMAC Residential. Mr. Bognanno served as president and CEO of Principal Residential Mortgage Inc. for the past 11 years. Concurrent with his mortgage banking duties, Mr. Bognanno was a senior vice president at Principal Life Insurance Co. and chairman of the board of Principal Bank. Radian also announced that Mark A. Casale is leaving the company.