Brian Leen, president of North American Inks at Sun Chemical, announced the appointment of key leaders responsible for the growth and sales of the company’s newly reorganized North American business unit      “By uniting our sales organization under one leadership, we will drive a greater focus on sales excellence,” Mr. Leen said. “Our aim will be to develop a sales team that is recognized by our customers as the benchmark against which all other sales teams are measured.”       Greg Lawson...