WINNERSH, United Kingdom, Dec. 20, 2006 (PRIME NEWSWIRE) -- Vernalis plc (LSE:VER) (Nasdaq:VNLS) today announces the appointment of Ian Clark as a Non-Executive Director with effect from January 1st 2007. He currently serves as Executive Vice President, Commercial at Genentech, and he is responsible for leading their commercial organisation, including the Sales, Marketing, Managed Care, Market Development, and Commercial Operations functions.