6K Additive , a US manufacturer of metal powders for additive manufacturing and alloy additions for the aluminum melt industry, has appointed Brandon Davis as Chief Operating Officer. He will oversee global operations, including metal powder production and alloy additions, and will report directly to chief executive officer Frank Roberts. In his new role, the Chief Operating Officer will manage the company’s headquarters in Burgettstown, Pennsylvania, along with sites in Hayward, California; Washington, Missouri; Red Lion, Pennsylvania; New Castle, Pennsylvania; and New Cumberland, West Virginia. The appointment was approved by the board of directors. Roberts described the new COO as a manufacturing executive with more than two decades of experience. “Brandon is a world-class leader with a proven track record of bridging the gap between high-level strategy and factory-floor execution,” said Roberts.…