Richard Ridinger has been named chief executive officer of Lonza at a board meeting on April 2. Mr. Ridinger will take over the role on May 1. Chairman Rolf Soiron held the job on an interim basis since the end of January, when Stefan Borgas was fired. “Richard Ridinger could be a person who grew up with Lonza,” said Mr. Soiron. “He is a chemical engineer who knows our industries, customers and products. With Richard Ridinger, we were not only able to attract a man of action and team player, bu...