Mereo BioPharma Group plc announced that Dr. Frank Armstrong has informed the Board of his decision to step down as a non-executive director of the Company, with effect from February 11, 2019 in order to focus on his other board and portfolio positions. As part of Mereo's proposed combination with OncoMed Pharmaceuticals announced on 5 December 2018, following completion and subject to the usual regulatory due diligence, current OncoMed directors Michael Wyzga and Dr. Deepa Pakianathan will be appointed as independent non-executive directors to Mereo. Michael Wyzga is currently the President of MSW Consulting Inc. and was formerly President and Chief Executive Officer of Radius Health Inc.