Atlanta-based Klöckner USA Holdings has announced the new management team for the combined Namasco Corp. and Macsteel Service Centers USA. Germany’s Klöckner, parent of Namasco, purchased Macsteel earlier this year with the plan to merge the two service center companies. Under the reorganized group, the company will be led by CEO Bill Partalis, Chief Financial Officer Kirk Johnson, and Group Presidents Mark Breckheimer, Heavy Carbon; Russ Delaney, Flat-Rolled; and Rich O’Toole, Special Products. John Gannen will serve as executive vice president responsible for group corporate purchasing. The management group will report to the Board of Klöckner USA Holdings, headed by Chairman Gisbert Rühl, and Vice Chairman Michael Hoffman.

Olympic Steel, Cleveland, has promoted Andrew S. Greiff to the newly formed position of president of specialty metals. Greiff will oversee the sales and distribution of stainless steel and aluminum products. Additionally, Raymond Walker has been promoted to senior vice president, eastern region; Michael Cedoz has been named general manager of the company’s Detroit division; Terry Rohde has been promoted to general manager of the company’s new facility in Gary, Ind.; and Sean M. Heenan will succeed Rohde as general manager of the Chicago division.

Bob Parker, a 25-year veteran of the service center industry, has been appointed sales manager at O’Neal Steel’s Evansville, Ind., district. Paul Coon has been named outside sales representative for O’Neal’s West Virginia sales territory.

Jim Stephens, a 30-year veteran in the steel distribution industry, has joined Main Steel Polishing Co., Tinton Falls, N.J., as vice president of sales. Also, Carl “Bud” Horstmeyer has joined the company as general manager of its Atlanta facility.

Steve Letnich has been named vice president of sales and chief marketing officer for Central Steel and Wire Co., Chicago, Ill. The 17-year metals industry veteran will be responsible for all of the company’s commercial functions.

Steve Hooks, president of Castle Metals and Castle Metals Plate, has announced his retirement from Oak Brook, Ill.-based A.M. Castle & Co., effective March 2012. He will be replaced in his current role by Blain Tiffany. James Callan has assumed Tiffany’s position as president of Castle Metals Aerospace.

Raymond Wahlert, Pacific Steel & Recycling, a Great Falls, Mont.-based metals distributor and scrap company, will retire Sept. 2 after 32 years with the company and eight as chief executive officer. Executive Vice President Jeff Millhollin will assume the position of CEO upon Wahlert's retirement