sentences:  Dr. Jean Claude Zenklusen has been the director of the office since August 2013.This office is responsible for the operation of six Genome Characterization Centers, seven Genome Analysis Centers, the Biospecimen Core Resource, the Data Coordination Center, and approximately one third of the sequencing done for the project by the three Genome Sequencing Centers.In addition, the TCGA Project Office was responsible for coordinating the accrual of tissues for TCGA.