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The American Concrete Institute introduced 2017-2018 officers and directors during The Concrete Convention and Exposition in Detroit, led by President Khaled Awad, chairman of Beirut-based material and geotechnical consultant ACTS; Vice President Randall Poston, senior principal with Pivot Engineers in Austin, Texas; and, Senior Vice President David Lange, University of Illinois professor of Civil Engineering.

Graycliff Partners, an independent New York investment firm focusing on middle market private equity transactions, has provided subordinated debt and equity financing to Delaware, Ohio-based Oberfields, a key regional player in concrete masonry and hardscape products, including standard gray and architectural block, segmental retaining walls, pavers, and precast components, plus related accessories. The investment supports the recapitalization of the company, led by President and CEO Bruce Loris, and buyout of another principal, Anderson Group LLC.

Roger Nielsen has been appointed president and chief executive officer of Daimler Trucks North America plus affiliated companies Freightliner Trucks, Western Star Trucks and Detroit Diesel Corp., effective this month. He succeeds Martin Daum, who has joined the Daimler AG Board of Management, responsible for Trucks and Buses.