SEATTLE--(BUSINESS WIRE)--ZymoGenetics, Inc. (NASDAQ:ZGEN) announced today that Douglas E. Williams, Ph.D., Chief Executive Officer of ZymoGenetics, will provide an update on company activities at the Bank of America and Merrill Lynch 2009 Health Care Conference in New York City on Wednesday, May 13, 2009 at 10:40 a.m. Eastern Time.