Ric Rumble has been appointed president and CEO of Quebec City-based TSO3, a developer of medical instrument sterilization technology. Rumble comes to TSO3 from Berchtold Corp, a Charleston SC-based developer of surgical equipment. He has held a variety of executive positions with medical device manufacturing firms in Canada and the US over a 25-year career. He holds a BSc in microbiology and immunology from the Univ of Western Ontario. TSO3 was formed in 1998 and is commercializing its first product, an ozone sterilizer targeting the hospitals....