Iodine producer Iofina (LON:IOF) has appointed co-founder and former chief executive Lance Baller as its chairman.
He rejoins the group after leaving to attend to personal health issues.
Chief executive George Lantz said: "I would like to welcome Lance back to the Iofina.
“His extensive industry knowledge will be very valuable as we continue to operationalise and optimise our significant capacity additions of IOsorb plants since he was last a board member."