Keim-Additec Surface USA, LLC hired Nicole Perna as manager of Distribution Services, a newly-created position.   Keim-Additec is a full-line distributor of wax and silicon-based additives in the U.S., representing the keim additec/CHT and Ceronas product lines.    “We are confident that Nicole Perna will take on her new responsibilities with the same enthusiasm and professionalism as in her past career,” said Mark Bitting, president and managing director of Keim-Additec.   As ...