Currently, Petra Kirchhoff is Director, VP-Corporate Communications & IR at Sartorius AG and Head-Corporate Communications & Investor Relations at Sartorius Stedim Biotech SA and VP-Corporate Communications & Investor Relations at Sartorius Corporate Administration GmbH (both are subsidiaries of Sartorius AG).

She is also on the board of AWO Göttingen GmbH and Südniedersachsenstiftung.