The American Cleaning Institute (ACI) hired Ann Cothran as senior manager, membership, which is a new position. At the same time, ACI announced promotions of four team members in its government affairs, scientific and administrative groups.   Cothran joins ACI after more than nine years at the US Travel Association, where she served as manager, member services. Prior to that, she served in membership and marketing roles at the National Housing Conference, Association Management Group and Pru...