Sergio Y. Alcoser, Ph.D.

Dr. Sergio Alcoser has served as Acting Branch Chief of the Biological Testing Branch (BTB) at NCI since August 2024. Prior to that detail he served as a Research Biologist within BTB since 2007 designing PCR assays and providing gene expression analysis to support program goals. BTB establishes patient derived xenograft (PDX) models, isolates cell lines from PDX models and conducts preclinical anti-cancer drug evaluations in relevant rodent models. Additionally, the BTB manages the distribution of cell lines and tumor samples from the DCTD Repository and supports preclinical development efforts like Stepping Stones and the NCI-Experimental Therapeutics (NExT) Program to help advance anti-cancer therapeutic agents through the drug development pipeline. Dr. Alcoser holds a Ph.D. in Biochemistry and Molecular Biology from the University of Chicago in Chicago, IL, and a B.S. in Biology from Lyon College in Batesville, AR.