Nishan de Silva, M.D., has been appointed vice president of corporate development at Ligand Pharmaceuticals. In this newly created position, Dr. de Silva will focus on corporate strategy, acquisitions and out-licensing. He reports to president and chief executive officer John Higgins. Dr. de Silva has 12 years of experience in biopharma venture capital and healthcare management consulting. Most recently he served as principal at the private equity firm Warburg Pincus LLC, where he was responsib...