Alder BioPharmaceuticals, Inc. announced the appointment of Wendy L. Yarno to its board of directors. Ms. Yarno has more than 30 years of experience in the pharmaceutical industry as a public company director and product commercialization team leader, including 26 years with Merck & Co. Inc. Most recently until her retirement in 2008, she was chief marketing officer with oversight of a global team that handled pre- and post-launch product commercialization activities for more than 20 therapeutic areas.