CLEVELAND, March 27, 2014 /PRNewswire/ -- Aleris announced today that it has appointed Sean Stack executive vice president and CEO, North America Rolled Products.  Stack most recently served as the company's executive vice president and chief financial officer.  His appointment will be effective April 1 and he will report to company Chairman and CEO Steve Demetriou.<br /><br />Stack has been with Aleris since its formation in 2004 and in addition to CFO, has held a number of senior leadership roles with the company, including senior vice president, Treasurer, executive vice president, Corporate Development and Strategy, and executive vice president and president, Aleris Europe.<br /><br />"With a combination of strong financial leadership and operational knowledge, Sean is a very talented executive who has played a pivotal role in Aleris' growth over the past decade," Demetriou said.  "With our recent announcement of our agreement to acquire Nichols Aluminum and as we consider additional investments for growth in North America, I believe Sean's experience and proven leadership capability will be extremely valuable as we drive profitable growth in this strategically important business."<br /><br />Upon Stack's appointment, Eric Rychel, formerly Aleris vice president and Treasurer, will be promoted to senior vice president and chief financial officer, reporting to Demetriou.  Rychel joined Aleris in 2012 from Barclays Capital Inc. where he ran its Metals industry banking effort as the global head of Steel and Metals corporate finance coverage.  Prior to that, Mr. Rychel worked at Deutsche Bank Securities Inc., where he rose to the position of managing director and ran the Metals industry investment banking effort.<br /><br />"Eric brings both strong industry knowledge and financial leadership to the CFO position, and I am confident he will build upon the company's solid foundation of financial management and controls," Demetriou said. <br /><br />About Aleris<br />Aleris is a privately held, global leader in aluminum rolled products and extrusions, aluminum recycling and specification alloy production. Headquartered in Cleveland, Ohio, Aleris operates approximately 40 production facilities in North America, Europe and Asia.