Hygiene technologies company HeiQ announced the appointment of Lenzing Chief Sustainability Officer Robert van de Kerkhof as nonexecutive director to its board, effective Jan. 1.

Kerkhof will also be chairman of the environmental, occupation, health and safety, and sustainability committee.

He founded PEPPER-i2, an advisory company specializing in sustainability and circularity, and has been with Lenzing as its chief sustainability officer since 2014. He will depart Lenzing on Dec. 31.