Buck is lid van de Basic Sciences Division aan het Fred Hutchinson Cancer Research Center, professor in fysiologie en biofysica aan de Universiteit van Washington, en onderzoeker bij het Howard Hughes Medical Institute (HHMI). ###>She is a Full Member of the Basic Sciences Division at Fred Hutchinson Cancer Research Center, an Affiliate Professor of Physiology and Biophysics at the University of Washington, Seattle and an Investigator of the Howard Hughes Medical Institute.