On July 17, 2012, Morris Z. Rosenberg, D.Sc., Executive Vice President, Process Sciences of Seattle Genetics Inc., informed the company of his resignation in connection with his retirement. Dr. Rosenberg's resignation was effective July 17, 2012. In connection with Dr. Rosenberg's resignation, Vaughn B. Himes, Ph.D., Seattle Genetics' Executive Vice President, Technical Operations has been appointed to an expanded role to include oversight of Process Sciences. Dr. Himes has many years of experience in the biotechnology industry, serving as the company's EVP, Technical Operations since April 2009 where his responsibilities have included clinical and commercial manufacturing, supply chain and logistics and quality assurance.