Trelleborg’s pipe seals operation has strengthened its support team in America with the addition of four new personnel in sales and engineering. Mark Yanzo joins the company as national sales manager. He brings with him more than 20 years’ sales and marketing experience, with previous positions at industrial manufacturing companies. Andrew Marshall and Tyler Welmon, responsible for the mid-Atlantic and West Coast respectively, joined the company as regional sales managers. And Robert Catlin was announced as process engineer.