Bettina Blottko will take over as head of the Liquid Purification Technologies business unit at specialty chemicals group Lanxess effective 15 October, 2018.
She succeeds Jean-Marc Vesselle, who will take on new challenges outside the company.
Bettina Blottko has held various positions at Bayer and Lanxess since 1996. Most recently, she headed the Actives and Disinfection business line within the Material Protection Products business unit.
Rainier van Roessel, Lanxess board member, said: "Jean-Marc Vesselle has made a significant contribution to the strong growth of our water treatment technologies business in recent years and at the same time created a very good basis for future growth."
"I would like to thank him sincerely for this. With Bettina Blottko, we were able to recruit a proven in-house expert in the chemicals business to lead the business unit into the future. I wish her every success in this endeavor."