BOTHELL, Wash.--(BUSINESS WIRE)--Seattle Genetics, Inc. (Nasdaq: SGEN) announced today that Clay B. Siegall, Ph.D., President and Chief Executive Officer, will speak at the Biotechnology Industry Organization (BIO) CEO & Investor Conference on Wednesday, February 13, 2008, at 11:45 a.m. Eastern Time. The conference is being held at the Waldorf-Astoria Hotel in New York City.