Rigel Pharmaceuticals, Inc. announced that Brian L. Kotzin, M.D. has been appointed to Rigel's board of directors. A well-respected former professor and clinical researcher, Dr. Kotzin brings to Rigel's board three decades of experience in the areas of immunology and inflammation. A board-certified rheumatologist and internist, Dr. Kotzin is currently Principal Fellow, Clinical Development at Nektar Therapeutics. From 2004 to 2015, he was Vice President, Global and Clinical Development and Head, Inflammation Therapeutic Area at Amgen, directing the global development efforts for product candidates in the inflammation area.