SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Trellis Bioscience Inc., a privately held biotechnology company, today announced the appointment of Bruce A. Keyt, Ph.D. as Chief Technology Officer and Vice President of Research. Dr. Keyt is a biotechnology industry veteran having more than 24 years scientific and management experience, including senior scientific and management positions at Abgenix, Millennium Pharmaceuticals, and Genentech. Most recently, Dr. Keyt was VP of Research and Development at Abmaxis prior to its acquisition by Merck, and acting VP of Preclinical Development at Ikaria, Inc.