DETROIT — Christopher Halmy, corporate treasurer for Ally Financial Inc., has been named chief financial officer, effective Nov. 8, the company announced this week.

Halmy will report to Jeffrey Brown, senior executive vice president of finance and corporate planning. He will be responsible for the oversight of the finance and treasury activities at the company. He succeeds James Mackey, CFO, who will depart Ally for another career opportunity. Bradley Brown, currently the structured funding executive, will become Ally's corporate treasurer, reporting to Halmy.

"Chris is a strong leader and has led many key treasury initiatives for Ally in recent years that have contributed to making the company's financial profile continually stronger.  He has the depth and range of experience to be an effective CFO for Ally," said Brown. "We are fortunate to have a strong bench of talent at the company, which will ensure a smooth transition for both Chris and Brad in their new roles."

Halmy joined Ally in 2009 as the structured funding executive and was named corporate treasurer in 2011. In that role, he had responsibility for the oversight of all treasury activities, including funding and balance sheet management. Prior to joining Ally, Halmy served in a number of treasury positions at Bank of America. Prior to that, he held treasury, finance and accounting positions at MBNA America N.A., Merrill Lynch & Co., JP Morgan & Co. and Deloitte & Touche.

Brown joined Ally in 2011 as the structured funding executive, responsible for the strategy, planning and execution of Ally's securitization activities, syndicated and privately placed bank facilities, whole loan sales and other structured funding. Prior to joining Ally, Brown served in investment banking and treasury roles at Bank of America. He also held finance and advisory positions at Salomon Brothers Inc. and Price Waterhouse.