Nadia Dac has joined Alder BioPharmaceuticals (NASDAQ: [[ticker:ALDR]]) as chief commercial officer. She comes to the Bothell, WA, biotech from AbbVie (NYSE: [[ticker:ABBV]]), where she was vice president of global specialty commercial development. Her experience also includes positions at Novartis (NYSE: [[ticker:NVS]]), Biogen (NASDAQ: [[ticker:BIIB]]), and Pfizer (NYSE: [[ticker:PFE]]). In February, Alder filed for FDA approval of eptinezumab, an antibody drug developed to prevent migraine headaches.