There will be a change in management at three of the 14 business units of specialty chemicals company Lanxess.

Dr. Ron Commander (62), Head of the Butyl Rubber business unit (BTR), will enter retirement at the end of this year and until then will take on a new role within the company based in Canada, effective July 1, 2013.

Dr. Guenther Weymans (55), who is currently Head of the Keltan Elastomers business unit (KEL) based in Geleen in the Netherlands, will succeed Dr. Commander as Head of BTR based in Singapore as of July 1. Weymans successfully completed the integration of the EPDM-business from DSM, including the implementation of innovative ACE-technology.

The successor to Dr. Weymans as Head of the Keltan Elastomers business unit is Dr. Torsten Derr, effective June 1. The 43-year-old is currently responsible for the Lanxess Material Protection Products business unit (MPP), which he successfully realigned and expanded.

Dr. Derr's position as Head of MPP will be taken over by Mr. Michael Schaefer (38), effective May 1. Mr. Schaefer is currently responsible for the business line Biocides at the business unit MPP.

There will also be a change at the head of Lanxess' activities in Singapore. The current Country Representative, Mr. Ian Wood (61), will be succeeded by Mr. Par Singh (52), effective September 1, 2013. Mr. Singh has held senior positions in the chemical industry for many years, with his last managerial role as Senior Vice President Manufacturing Europe, Asia & International Region at LyondellBasell based in Germany. His experience will be of great benefit to Lanxess in Singapore, where the company is investing some €600 million in two world-scale plants.