Corero Network Security plc announced With immediate effect, Jens Montanana, current Non-Executive Chairman of the Company, will assume the role of Executive Chairman. Andrew Miller, the Company's former Chief Financial Officer and Non-Executive Director, has been appointed Interim Chief Operating Officer with effect from 1 March 2023. Mr. Lionel Chmilewsky will remain with the Company until 31 May 2023 in order to ensure an orderly handover but will resign from his position on the Board on 28 February 2023.