KELHEIM, Germany--Dave Hoyland has left the Dolan business of the Lenzing Filaments Business Unit at the end of 2011 where he was the managing director for the last four years.

Friedrich Weninger, COO of the Lenzing group, has taken responsibility for the Filaments Business Unit effective 1 Jan 2012.

Luis Puncernau, Dolan plant director, and Hans Röckl, head of finance and controlling Dolan, will report to Friedrich Weninger as of January 1, 2012.  Matthew North has been appointed head of Dolan Sales & Marketing reporting to Luis Puncernau.  Dolan recently expanded production due to increased demand for its products.

Dolan GmbH produces solution dyed acrylic fibers use in outdoor fabrics under the Dolan® brand. Hoyland  remains responsible for the Lenzing European Precursor business (EPG) until the end of March 2012 at which time he will leave the Lenzing group.  He will make his plans known at a future date.  EPG is a joint venture company with SGL carbon & Kelheim Fibres producing carbon fiber precursor.